National Archives site National Archives has a web page use the enumeration district to locate them National Archives NARA National Archives—1940 Census Finding Aids and E.D. Maps National Archives—1940 Census Finding Aids and E.D. Maps National Archives—1940 Census Finding Aids and E.D. Maps a page on finding aids Geographic Descriptions of Census Enumeration Districts Finding aids use the enumeration district to locate them 1940 enumeration district Enumeration District Maps 1940 enumeration district National Archives has a web page enumeration districts National Archives National Archives enumeration districts National Archives-1940 Census-Indexes and Other Finding Aids National Archives site Census aids to finding information National Archives site