Websites
USEFUL INFORMATION FOUND IN OTHER PLACES
Atlas of US Historical County Boundaries - Newberry Library
State Data - Select a state from the map to view all of the Atlas' content related to that state, including shapefiles, chronologies, and metadata.
Germany - Meyers Gazetteer with Maps
Online version with historical maps. A dictionary of place names describing provinces, states, counties, towns and villages [ Meyers Orts- und Verkehrs-Lexikon des Deutschen Reichs= Meyers Place- and Traffic directory of the German Empire]
Historical Maps of Texas Cities
Perry-Castaneda Library Map Collection - hosted by the University of Texas at Austin - University of Texas Libraries. - Includes: Sanborn Fire Insurance Maps - Texas Digital Sanborn Maps - Texas Topographic Maps - Texas Cities - 1940 Census Enumeration District Maps