Massachusetts Atlas of Historical County Boundaries
John H. Long, Editor and Historical Compiler; Peggy Tuck Sinko, Associate Editor; Douglas Knox, Book Digitizing Director; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist and Digital Compiler; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant
Copyright The Newberry Library 2009
CUMBERLAND (Me.)
DEVONSHIRE (extinct)
DUKES (N.Y., extinct)
HANCOCK (Me.)
HARTFORD (Conn.)
KENNEBEC (Me.)
LINCOLN (Me.)
NEWPORT (R.I.)
NORFOLK (original, extinct)
OXFORD (Me.)
PENOBSCOT (Me.)
SOMERSET (Me.)
WASHINGTON (Me.)
YORK (Me.)
YORKSHIRE (see YORK)