Iowa Atlas of Historical County Boundaries
John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant
Copyright The Newberry Library 2007
Alexander, W. E. History of Chickasaw and Howard Counties, Iowa. Decorah, Iowa, 1883.
Alexander, W. E. History of Winneshiek and Allamakee Counties. Sioux City, 1882.
Bailey, Belle. A Three Volume History of Delaware County, Iowa. Edited by Mary Doolittle Maxfield. [Hopkinton, Iowa: Delaware County Historical Society], n.d.
Biographical and Historical Record of Clarke County, Iowa: Containing Portraits of All the Presidents of the United States from Washington to Cleveland, with Accompanying Biographies of Each; A Condensed History of the State of Iowa; Portraits and Biographies of the Governors of the Territory and State; Engravings of Prominent Citizens in Clarke County, with Personal Histories of Many of the Leading Families, and a Concise History of Clarke County and Its Cities and Villages. Chicago, 1886.
Biographical and Historical Record of Greene and Carroll Counties, Iowa: Containing Portraits of All the Presidents of the United States from Washington to Cleveland, with Accompanying Biographies of Each; Portraits and Biographies of the Governors of the State; Engravings of Prominent Citizens in Greene and Carroll Counties, with Personal Histories of Many of the Leading Families, and a Concise History of the Two Counties and Their Cities and Villages. Chicago, 1887.
Biographical and Historical Record of Wayne and Appanoose Counties, Iowa, Containing Portraits of All the Presidents of the United States from Washington to Cleveland, with Accompanying Biographies of Each; A Condensed History of the State of Iowa; Portraits and Biographies of the Governors of the Territory and State; Engravings of Prominent Citizens in Wayne and Appanoose Counties, with Personal Histories of Many of the Leading Families, and a Concise History of Wayne and Appanoose Counties, and Their Cities and Villages. Chicago, 1886.
Biographical History of Cherokee County, Iowa: Containing Portraits of All the Presidents of the United States from Washington to Harrison, with Accompanying Biographies of Each; A Condensed History of Iowa, with Portraits and Biographies of the Governors of the State; Engravings of Prominent Citizens in Cherokee County, with Personal Histories of Many of the Early Settlers and Leading Families; A Concise History of the County, the Cities, and Townships. Chicago, 1889.
Biographical History of Shelby and Audubon Counties, Iowa: Containing Portraits of All the Presidents of the United States from Washington to Harrison, with Accompanying Biographies of Each; Portraits and Biographies of the Governors of the State; Engravings of Prominent Citizens in Shelby and Audubon Counties, with Personal Histories of Many of the Early Settlers and Leading Families; A Concise History of the Counties, and the Cities and Townships. Chicago, 1889.
Birdsall, B. P., ed. History of Wright County, Iowa: Its People, Industries and Institutions. Indianapolis: B. F. Bowen and Co., 1915.
Caldwell, J. R., comp. and ed. A History of Tama County, Iowa. 2 vols. Chicago: Lewis Publishing Co., 1910.
Cappon, Lester J., Barbara Bartz Petchenik, and John Hamilton Long, eds. Atlas of Early American History: The Revolutionary Era, 1760-1790. Princeton, N.J.: Princeton University Press, 1976. Section on boundaries is thoroughly documented.
Clyde, J. F., and H. A. Dwelle, eds. History of Mitchell and Worth Counties. 2 vols. Chicago: S. J. Clarke Publishing Co., 1918.
Compendium of History and Biography of Cass County, Iowa: Pioneer History and Formation of Present County System-Patriotic War Record--Detailed Township History, with Sketches of Towns, Cities, and Prominent Citizens and Institutions; Biographies of Old Settlers, Soldiers, Farmers, Business Men, Manufacturers, Bankers, Editors, Clergymen, Lawyers, Physicians, and Others Who Have Made Cass County What It Is. Chicago: Henry Taylor and Co., 1906.
Crawford County Supervisors records, Crawford County, Iowa.
Crosson, Frank E. History of Taylor County, Iowa: From the Earliest Historic Times to 1910. Chicago: S. J. Clarke Publishing Co., 1910.
DenBoer, Gordon. Atlas of Historical County Boundaries: Iowa. Edited by John H. Long. New York: Charles Scribner's Sons,1998. 111 counties, 248 pages, 416 maps.
Dinwiddie, James C. History of Iowa County, Iowa, and Its People. 2 vols. Chicago: S. J. Clarke Publishing Co., 1915.
"Division of Missouri by Counties in 1820" [map]. Missouri Historical Review 70 (1975-1976): 410.
Donnel, William M. Pioneers of Marion County, Consisting of a General History of the County from Its Early Settlement to the Present Date; Also, the Geography and History of Each Township, Including Brief Biographical Sketches of Some of the More Prominent Early Settlers in Each, Together with Numerous Incidents Illustrative of Pioneer Life More Than Twenty-five Years Ago. Des Moines, 1872.
Dubester, Henry J. State Censuses: An Annotated Bibliography of Censuses of Population Taken after the Year 1790 by States and Territories of the United States. 1948. Reprint. New York: Burt Franklin, 1969. The standard guide for its subject.
"1844 Census of Iowa Territory: Keokuk County." The American Genealogist 42 (1966): 136-140.
Filby, P. William, comp. Bibliography of American County Histories. Baltimore: Genealogical Publishing Co., 1985.
Garver, Frank Harmon. "Boundary History of the Counties of Iowa." Iowa Journal of History and Politics 7 (1909): 3-131.
Garver, Frank Harmon. "A Critical Study of the Definition and Alteration of County Boundaries in Iowa and of the Laws by Which They Were Established." Iowa Journal of History and Politics 7 (1909): 402-443.
Garver, Frank Harmon. "History of the Establishment of Counties in Iowa." Iowa Journal of History and Politics 6 (1908): 375-456.
Gillespie, Samuel, and James E. Steele. History of Clay County, Iowa: From Its Earliest Settlement to 1909. Chicago: S. J. Clarke Publishing Co., 1909.
Goldthwait, N. E., ed. History of Boone County, Iowa. 2 vols. Chicago: Pioneer Publishing Co., 1914.
Hart, Irving H. History of Butler County, Iowa: A Record of Settlement, Organization, Progress and Achievement. 2 vols. Chicago: S. J. Clarke Publishing Co., 1914.
Hart, William H. History of Sac County, Iowa. Indianapolis: B. F. Bowen and Co., 1914.
Hawkeye Heritage. Des Moines: Iowa Genealogical Society, 1966-.
Hebard, Alfred. "The Border War between Iowa and Missouri, on the Boundary Question." Annals of Iowa, 3d ser., 1 (1893-1895): 651-657.
Hickenlooper, Frank. An Illustrated History of Monroe County, Iowa: A Complete Civil, Political, and Military History of the County, from Its Earliest Period of Organization down to 1896. Albia, Iowa, 1896.
Hill, Luther B., ed. History of Benton County, Iowa: From Materials in the Public Archives, the Iowa Historical Society's Collection, the Newspapers and Data of Personal Interviews; Also Containing Sketches of Representative Men. 2 vols. Chicago: Lewis Publishing Co., [c. 1910].
Historical Records Survey, Iowa. Dallas County (Adel). Inventory of the County Archives of Iowa, no. 25. Des Moines: Iowa Historical Records Survey, 1938.
Historical Records Survey, Iowa. Ida County (Ida Grove). Inventory of the County Archives of Iowa, no. 47. Des Moines: Iowa Historical Records Survey, 1938.
Historical Records Survey, Iowa. Jasper County (Newton). Inventory of the County Archives of Iowa, no. 50. Des Moines: Iowa Historical Records Survey, 1938.
History of Boone County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., Biographical Sketches of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Boone County, Constitution of Iowa, Miscellaneous Matters, Etc., Etc. Des Moines, 1880.
History of Clinton County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., Biographical Sketches of Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Clinton County, Constitution of the United States, Miscellaneous Matters, Etc., Etc. Chicago, 1879.
History of Dallas County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Dallas County, Constitution of the United States, Constitution of the State of Iowa, Miscellaneous Matters, Etc. Des Moines, 1879.
History of Des Moines County, Iowa: Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Des Moines County, Constitution of the United States, Miscellaneous Matters, Etc. Chicago, 1879.
History of Emmet County and Dickinson County, Iowa: A Record of Settlement, Organization, Progress and Achievement. 2 vols. Chicago: Pioneer Publishing Co., 1917.
History of Franklin and Cerro Gordo Counties, Iowa, Together with Sketches of Their Towns, Villages and Townships, Educational, Civil, Military and Political History; Portraits of Prominent Persons, and Biographies of Representative Citizens. Springfield, Ill., 1883.
History of Jefferson County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Jefferson County, Constitution of the United States, Miscellaneous Matters, Etc. Chicago, 1879.
History of Johnson County, Iowa, Containing a History of the County, and Its Townships, Cities and Villages from 1836 to 1882: Together with Biographical Sketches of Many Enterprising Farmers, Merchants, Mechanics, Professional and Business Men; A Condensed History of the State; The Constitution of the United States; An Abstract of the Most Important Laws; The Natural History of the County; Its Organization; Its Political and Religious History; Agriculture, Horticulture and Stock-Raising; War Record; Township Histories; Churches; Schools; Railroads and Business Enterprises; Miscellaneous Matters, Etc., Etc. Iowa City, 1883.
History of Jones County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., Biographical Sketches of Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Jones County, Constitution of the United States, Miscellaneous Matters, Etc., Etc. Chicago, 1879.
History of Keokuk County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Keokuk County, Constitution of the United States, Constitution of the State of Iowa, Miscellaneous Matters, Etc. Des Moines, 1880.
History of Kossuth, Hancock, and Winnebago Counties, Iowa, Together with Sketches of Their Cities, Villages and Townships, Educational, Civil, Military and Political History; Portraits of Prominent Persons, and Biographies of Representative Citizens. Springfield, Ill., 1884.
History of Lee County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Lee County, Constitution of the United States, Miscellaneous Matters, Etc. Chicago, 1879.
History of Madison County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Madison County, Constitution of the United States, Constitution of the State of Iowa, Miscellaneous Matters, Etc. Des Moines, 1879.
History of Mahaska County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Mahaska County, Constitution of the United States, Miscellaneous Matters, Etc. Des Moines, 1878.
History of Marion County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., Biographical Sketches of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Marion County, Constitution of Iowa, Miscellaneous Matters, Etc., Etc. Des Moines, 1881.
History of Mitchell and Worth Counties, Iowa, Together with Sketches of Their Towns, Villages and Townships, Educational, Civil, Military and Political History; Portraits of Prominent Persons, and Biographies of Representative Citizens. Springfield, Ill., 1884.
History of Montgomery County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Many of Its Leading Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of Iowa and the Northwest, Map of Montgomery County, Constitution of the State of Iowa, Reminiscences, Miscellaneous Matters. Des Moines, 1881.
History of Scott County, Iowa; Together with Sketches of Its Cities, Villages and Townships, Educational, Religious, Civil, Military, and Political History; Portraits of Prominent Persons, and Biographies of Representative Citizens. Chicago, 1882.
History of the Counties of Woodbury and Plymouth, Iowa, Including an Extended Sketch of Sioux City, Their Early Settlement and Progress to the Present Time; a Description of Their Historic and Interesting Localities; Sketches of the Townships, Cities and Villages; Portraits of Some of the Prominent Men, and Biographies of Many of the Representative Citizens. Chicago, 1890-1891.
History of Van Buren County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Van Buren County, Constitution of the United States, Miscellaneous Matters, Etc. Chicago, 1878.
History of Washington County, Iowa, Containing a History of the County, Its Cities, Towns, Etc., a Biographical Directory of Its Citizens, War Record of Its Volunteers in the Late Rebellion, General and Local Statistics, Portraits of Early Settlers and Prominent Men, History of the Northwest, History of Iowa, Map of Washington County, Constitution of the United States, Miscellaneous Matters, Etc. Des Moines, 1880.
History of Winnebago County and Hancock County, Iowa: A Record of Settlement, Organization, Progress and Achievement. 2 vols. Chicago: Pioneer Publishing Co., 1917.
Horton, Loren N. "Census Data for Iowa." Des Moines: State Historical Society of Iowa, Iowa History Sources no. 1 (Fall 1973): 1-12.
Howell, J. M., and Heman C. Smith, eds. History of Decatur County, Iowa, and Its People. 2 vols. Chicago: S. J. Clarke Publishing Co., 1915.
Huebinger, M. Atlas of the State of Iowa. Davenport: Iowa Publishing Co., 1904.
Ide, George, A. History of Union County, Iowa: From the Earliest Historic Times to 1908. Chicago: S. J. Clarke Publishing Co., 1908.
Iowa. Acts and Joint Resolutions of the State of Iowa. Iowa City, 1846-. Cited as Iowa Acts.
Iowa Supreme Court. Reports of Cases in Law and Equity, Determined in the Supreme Court of the State of Iowa. Vols. 1-, 1847-. Chicago, 1892-. Cited as Iowa Reports.
Iowa Territory. Laws of the Territory of Iowa. Dubuque, Burlington, and Iowa City, 1839-1846. Cited as Iowa Terr. Laws.
Iowa Territory. Revised Statutes of the Territory of Iowa, Revised and Compiled by a Joint Committee of the Legislature: 1842-1843. Iowa City, 1843. Cited as Iowa Terr. Rev. Stat.
Iowa Writers' Program. Jackson County History. Federal Works Projects Administration, 1942.
Jackson, Ronald Vern, ed. Iowa 1836 Territorial Census. Bountiful, Utah: Accelerated Indexing Systems, 1973.
Kane, Joseph Nathan. American Counties: Origins of Names, Dates of Creation and Organization, Area, Population, Historical Data, and Published Sources. 3d ed. Metuchen, N.J.: Scarecrow Press, 1972.
Kilburn, Lucian M., ed. History of Adair County, Iowa, and Its People. 2 vols. Chicago: Pioneer Publishing Co., 1915.
Lainhart, Ann S. State Census Records. [Baltimore]: Genealogical Publishing Co., 1992.
Landers, Frank E. "The Southern Boundary of Iowa." Annals of Iowa, 3d ser., 1 (1893-1895): 641-651.
Lazell, Fred J. Linn County: A Brief Review of Its History from 1838 to 1923. [Cedar Rapids, Iowa]: Linn County Board of Supervisors, 1923.
Lea, Albert M. "Iowa District of Wisconsin Territory." Annals of Iowa, 3d ser., 36 (1962): 281-295. An excerpt from a work originally published in 1836.
Long, John H., ed. Historical Atlas and Chronology of County Boundaries, 1788-1980. 5 vols. Boston: G. K. Hall, 1984.
MacDonald, Grace E., comp. Check-List of Session Laws. New York: H. W. Wilson Co., 1936. Complemented by Pollack (below), this guide lists all state session laws through 1935.
MacDonald, Grace E., comp. Check-List of Statutes of States of the United States of America, Including Revisions, Compilations, Digests, Codes and Indexes. Providence: Oxford Press, 1937. The most complete guide to state codes through 1937.
Maclean, Paul. History of Carroll County, Iowa: A Record of Settlement, Organization, Progress and Achievement. 2 vols. Chicago: S. J. Clarke Publishing Co., 1912.
Michigan Territory. Laws of the Territory of Michigan. 4 vols. Lansing, 1871-1884. Cited as Mich. Terr. Laws.
Missouri. Laws of a Public and General Nature of the State of Missouri. 2 vols. Jefferson City, 1842. Cited as Mo. Laws Pub. and Gen.
Missouri. Laws of Missouri. Jefferson City, 1827-. Cited as Mo. Laws.
Moorehead, Giles C. Historical Collections of Ida County. [Ida Grove, Iowa]: Pioneer Record Press, 1928.
Mueller, Herman A., ed. History of Madison County, Iowa, and Its People. 2 vols. Chicago: S. J. Clarke Publishing Co., 1915.
"A New Sidelight on the Missouri-Iowa Boundary Dispute." Missouri Historical Review 30 (1935-1936): 57-63.
"Northern Boundary of Missouri." United States House of Representatives, 27th Congress, 3d sess., Committee on the Territories, doc. no. 38, 31 December 1842.
Parry, Clive, ed. Consolidated Treaty Series. 231 vols. Dobbs Ferry, N.Y.: Oceana Publications, 1969-1981.
Past and Present of Fayette County, Iowa. 2 vols. Indianapolis: B. F. Bowen and Co., 1910.
Paullin, Charles O. Atlas of the Historical Geography of the United States. Edited by John K. Wright. Washington, D.C., and New York: Carnegie Institution of Washington and American Geographical Society of New York, 1932. Excellent section on international and interstate boundary disputes.
Peck, J. L. E., O. H. Montzheimer, and William J. Miller. Past and Present of O'Brien and Osceola Counties, Iowa. 2 vols. Indianapolis: B. F. Bowen and Co., 1914.
Pollack, Ervin H., comp. Supplement with Bibliographical Notes, Emendations, and Additions to the Check List of Session Laws, Compiled by Grace E. MacDonald. Preliminary ed. Boston: National Association of State Libraries, 1941. Fills gaps in MacDonald's 1936 compilation (above) to produce the most complete list of state session laws through 1935.
Powers, J. H. Historical and Reminiscences of Chickasaw County, Iowa. Des Moines, 1894.
Pratt, H. M. History of Fort Dodge and Webster County, Iowa. 2 vols. Chicago: Pioneer Publishing Co., 1913.
Price, Realto E., ed. History of Clayton County, Iowa: From the Earliest Historical Times to the Present, Including a Genealogical and Biographical Record of Many Representative Families, Prepared from Data Obtained from Original Sources of Information. Chicago: Robert O. Law Co., 1916.
Rabenhorst, Thomas D., and Carville V. Earle, eds. Historical U.S. County Outline Map Collection, 1840-1980. Baltimore: Department of Geography, University of Maryland (Baltimore County), 1984. A portfolio of redrawn federal maps; no supporting text or documentation.
Roberts, Nelson C., and S. W. Moorhead, eds. Story of Lee County, Iowa. 2 vols. Chicago: S. J. Clarke Publishing Co., 1914.
Rohrbough, Malcolm J. Land Office Business: Settlement and Administration of American Public Lands, 1789-1837. New York: Oxford University Press, 1968.
Royce, Charles C., comp. "Indian Land Cessions in the United States." Part 2 of Eighteenth Annual Report of the Bureau of American Ethnology, 1896-1897. Washington, D.C., 1899. The standard authority in its field; state maps detail all Indian land-cession treaties with the federal government.
Sage, Leland L. A History of Iowa. Ames: Iowa State University Press, 1974.
Salter, William. "Iowa in the Territory of Missouri." Annals of Iowa, 3d ser., 6 (1903-1905): 248-265.
Salter, William. "Iowa in Unorganized Territory of the United States." Annals of Iowa, 3d ser., 6 (1903-1905): 185-205.
Schultz, Gerard. History of Marshall County, Iowa. Marshalltown, Iowa: Marshall Printing Co., 1955.
Schultz, Gerard, and Don L. Berry, comps. History of Warren County, Iowa. Indianola, Iowa: Record and Tribune Co., 1953.
Sealock, Richard B., Margaret M. Sealock, and Margaret S. Powell. Bibliography of Place-Name Literature: United States and Canada. 3d ed. Chicago: American Library Association, 1982.
Shambaugh, Benjamin F. First Census of the Original Counties of Dubuque and Demoine (Iowa), Taken in July, 1836. Des Moines, 1897.
Shambaugh, Benjamin F. "Maps Illustrative of the Boundary History of Iowa." Iowa Journal of History and Politics 2 (1904): 369-380.
Shambaugh, Benjamin F., ed. Documentary Material Relating to the History of Iowa. 3 vols. Iowa City: State Historical Society of Iowa, [1895-1901].
Sinko, Peggy Tuck. Guide to Local and Family History at the Newberry Library. Salt Lake City: Ancestry Publishing, 1987.
Smith, Alice E. From Exploration to Statehood. Vol. l of History of Wisconsin, edited by William Fletcher Thompson. Madison: State Historical Society of Wisconsin, 1973.
Smith, Joseph H. History of Harrison County, Iowa, Including a Condensed History of the State, the Early Settlement of the County, Its Topography, and Natural Advantages; Together with Sketches of Its Pioneers, Organization, Reminiscences of Early Times, Political History, Courts and Bar, Pulpit and Press, Commercial and Business Interests, Etc. Des Moines, 1888.
Stephenson, Richard W., comp. Land Ownership Maps: A Checklist of Nineteenth Century United States County Maps in the Library of Congress. Washington, D.C.: Library of Congress, 1967. Most of the maps listed here have been reproduced on microfiche by the Library of Congress.
Stevenson, J. H. History and Business Directory of Wright County, State of Iowa. Des Moines, 1870.
Stonebraker, Beaumont E., ed. Past and Present of Calhoun County, Iowa: A Record of Settlement, Organization, Progress and Achievement. 2 vols. Chicago: Pioneer Publishing Co., 1915.
Stuart, I. L., ed. History of Franklin County, Iowa: A Record of Settlement, Organization, Progress and Achievement. 2 vols. Chicago: S. J. Clarke Publishing Co., 1914.
"Survey of the Iowa-Minnesota Boundary Line." Annals of Iowa, 3d ser., 16 (1927-1929): 483-503.
Swindler, William F., ed. Sources and Documents of United States Constitutions. 10 vols. Dobbs Ferry, N.Y.: Oceana Publications, 1973-1979. The most complete and up-to-date compilation for the states.
Swisher, Jacob A. "History of the Organization of Counties in Iowa." Iowa Journal of History and Politics 20 (1922): 483-576.
Swisher, Jacob A. "The Location of County Seats in Iowa." Iowa Journal of History and Politics 22 (1924): 89-128, 217-294, 323-362.
Territorial Papers of the United States. Vols. 1-26 edited by Clarence E. Carter; vols. 27-28 edited by John P. Bloom. Washington, D. C.: Government Printing Office, 1934-1975. Cited as Terr. Papers U. S.
Thomas, John L. "Some Historic Lines in Missouri." Missouri Historical Review 3 (1908-1909): 5-33, 210-233, 251-274.
Thorndale, William, and William Dollarhide. Map Guide to the U.S. Federal Censuses, 1790-1920. Baltimore: Genealogical Publishing Co., 1987. An atlas of well-designed county outline maps for each state, accompanied by a bibliography and an explanation of methodology.
Thwaites, Reuben Gold. "Boundaries of Wisconsin." Collections of the State Historical Society of Wisconsin 11 (1888): 451-501.
Thwaites, Reuben Gold. "[Wisconsin] Territorial Census for 1836." Collections of the State Historical Society of Wisconsin 13 (1895): 247-270.
United States. Statutes at Large of the United States of America, 1789-1873. 17 vols. Boston: Little, Brown, 1845-1874. Cited as U. S. Stat.
U.S. Census Bureau. "Significant Changes to Counties and County Equivalent Entities: 1970-Present." http://www.census.gov/geo/www/tiger/ctychng.html
U.S. Congress, House of Representatives. Committee on the Territories. Boundary of Missouri and Iowa. 26th Congress, 1st sess., 1840. House Report 2.
Van Zandt, Franklin K. Boundaries of the United States and the Several States. Geological Survey Professional Paper 909. Washington, D. C.: Government Printing Office, 1976. The standard compilation for its subject.
Wall, Joseph Frazier. Iowa: A Bicentennial History. New York and Nashville: W. W. Norton and Co. and American Association for State and Local History, 1978.
Wheeler, J. H., comp. and ed. History of Cerro Gordo County, Iowa: From Materials in the Public Archives, the Iowa Historical Society's Collection, the Newspapers and Data of Personal Interviews; Also Containing Sketches of Representative Citizens. 2 vols. Chicago: Lewis Publishing Co., [1910].
White, Edward S. Past and Present of Shelby County, Iowa. Indianapolis: B. F. Bowen and Co., 1915.
Wisconsin Territory. Laws of the Territory of Wisconsin. Belmont and Milwaukee, 1836-1848. Cited as Wis. Terr. Laws.
Wolfe, P. B., ed. Wolfe's History of Clinton County, Iowa. 2 vols. Indianapolis: B. F. Bowen and Co., 1911.