Books of Census districts
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Map Guide to the U.S. Federal Censuses, 1790-1920
By William Dollarhide, William ThorndaleGenealogical research in U.S. censuses begins with identifying correct county jurisdictions ??o assist in this identification, the map Guide shows all U.S. county boundaries from 1790 to 1920.
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Los Angeles - Orange Counties Street Guide and Directory, 1991
By Thomas Brothers Maps StaffLos Angeles - Orange Counties Street Guide and Directory, 1991
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Sacramento County Street Guide and Directory: Including Portions of Placer and El Dorado Counties
By Thomas Bros. MapsSacramento County Street Guide and Directory: Including Portions of Placer and El Dorado Counties