In the following list, the numbers of counties reflect extinct counties, unsuccessful proposals for new counties, county equivalents like independent cities, and counties created by other authorities, as well as today's counties. The volumes published in book form are now out of print.
DenBoer, Gordon. Atlas of Historical County Boundaries: Illinois. Edited by John H. Long. New York: Charles Scribner's Sons, 1997. 118 counties, 328 pages, 398 maps.
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.
DenBoer, Gordon. Atlas of Historical County Boundaries: Kentucky. Edited by John H. Long. New York: Charles Scribner's Sons, 1995. 126 counties, 479 pages, 629 maps.
DenBoer, Gordon. Atlas of Historical County Boundaries: Minnesota. Edited by John H. Long. New York: Charles Scribner's Sons, 2000. 124 counties, 412 pages, 653 maps.
DenBoer, Gordon. Atlas of Historical County Boundaries: North Carolina. Edited by John H. Long. New York: Charles Scribner's Sons, 1998. 113 counties, 434 pages, 422 maps.
DenBoer, Gordon. Atlas of Historical County Boundaries: Pennsylvania. Edited by John H. Long. New York: Charles Scribner's Sons, 1996. 77 counties, 241 pages, 330 maps.
DenBoer, Gordon. Atlas of Historical County Boundaries: Wisconsin. Edited by John H. Long. New York: Charles Scribner's Sons, 1997. 107 counties, 374 pages, 490 maps.
DenBoer, Gordon, and John H. Long. Atlas of Historical County Boundaries: Connecticut, Maine, Massachusetts, Rhode Island. Edited by John H. Long. New York: Simon and Schuster, 1994. 48 counties, 412 pages, 388 maps.
DenBoer, Gordon, and Kathryn Ford Thorne. Atlas of Historical County Boundaries: South Carolina. Edited by John H. Long. New York: Simon and Schuster, 1993. 97 counties, 300 pages, 310 maps.
DenBoer, Gordon, with George E. Goodridge, Jr. Atlas of Historical County Boundaries: New Hampshire, Vermont. Edited by John H. Long. New York: Simon and Schuster, 1993. 31 counties, 216 pages, 243 maps.
Long, John H. Atlas of Historical County Boundaries: Delaware, Maryland, District of Columbia. Edited by John H. Long. New York: Charles Scribner's Sons, 1996. 33 counties, 154 pages, 124 maps.
Sinko, Peggy Tuck. Atlas of Historical County Boundaries: Alabama. Edited by John H. Long. New York: Charles Scribner's Sons, 1996. 78 counties, 402 pages, 446 maps.
Sinko, Peggy Tuck. Atlas of Historical County Boundaries: Indiana. Edited by John H. Long. New York: Charles Scribner's Sons, 1996. 101 counties, 394 pages, 677 maps.
Sinko, Peggy Tuck. Atlas of Historical County Boundaries: Michigan. Edited by John H. Long. New York: Charles Scribner's Sons, 1997. 107 counties, 354 pages, 426 maps.
Sinko, Peggy Tuck. Atlas of Historical County Boundaries: Mississippi. Edited by John H. Long. New York: Simon and Schuster, 1993. 92 counties, 250 pages, 428 maps.
Sinko, Peggy Tuck. Atlas of Historical County Boundaries: Ohio. Edited by John H. Long. New York: Charles Scribner's Sons, 1998. 96 counties, 311 pages, 335 maps.
Sinko, Peggy Tuck. Atlas of Historical County Boundaries: Tennessee. Edited by John H. Long. New York: Charles Scribner's Sons, 2000. 110 counties, 645 pages, 712 maps.
Sinko, Peggy Tuck, and Kathryn Ford Thorne. Atlas of Historical County Boundaries: Florida. Edited by John H. Long. New York: Charles Scribner's Sons, 1997. 69 counties, 323 pages, 355 maps.
Thorne, Kathryn Ford. Atlas of Historical County Boundaries: New York. Edited by John H. Long. New York: Simon and Schuster, 1993. 71 counties, 242 pages, 296 maps.
Keefe, William F. "Cartography Project Puts Newberry on the Map." The Beacher [Weekly Newspaper. Michigan City, IN], vol. 24, no. 43 (Oct. 30, 2008): 14
Keefe, William F. "The Newberry Library's Amazing Atlas." Historic Illinois. vol. 31, no. 4 (Dec. 2008): 12-14.
Kelley, Emily. "Digital Map Making at the Atlas of Historical County Boundaries." Origins (Summer 2002): 8.
Long, John H. "County Attachments Complicate Search for Local Records." Origins (Winter 2005): 11-12, and in"Pioneer Pathfinder, vol. 32, no. 3 (July 2006): 6-8.
Long, John H. "Surprising Features of Virginia's Historical Counties." Origins. (Spring 2005): 4-5
Long, John H. "County Boundaries in the Chicago Area" in "Governing the Metropolis." Encyclopedia of Chicago. (Chicago: University of Chicago Press, 2004), 351-353.
Long, John H. "The Struggles for Pennsylvania's Boundaries," Southwestern Pennsylvania Genealogical Society Quarterly vol. 26 (1999), in press.
Long, John H. "Trying to Make Everybody Happy." Origins (Spring/Summer 1996): 9-10
Long, John H. "Report on the Atlas of Historical County Boundaries: Reasons Why--A Legacy for Readers." Origins (Fall 1996): 3-5.
Long, John H. "Report on the Atlas of Historical County Boundaries: [Computer Applications]." Origins (Winter 1996): 8-9.
Long, John H. "Report on the Atlas of Historical County Boundaries: Changes Large and Small." Origins (Fall 1995): 9-10.
Long, John H. "Report on the Atlas of Historical County Boundaries." Origins (Spring 1995): 4-5.
Long, John H. "Atlas of Historical County Boundaries," Journal of American History vol. 81 (1994-95): 1859-1863.
Long, John H. "A Case Study In Utilizing Computer Technology: The Atlas of Historical County Boundaries," Perspectives: American Historical Association Newsletter 30 (1992): 16-17.
Long, John H. and Peggy Tuck Sinko. "Atlas of Historical County Boundaries," Forum (1991): 3.
Long, John H. "Atlas of Historical County Boundaries." Origins (Sep. 1988): 3-7.
Sinko, Peggy Tuck. "The Atlas Goes Digital." Origins (Spring 2004): 1, 4-5.
