1880-1940 Census data.  Version 2. (.xls MS Excel file)

Maps

1887 Hopkins Map- Color- Washingtonia Room. MLK Library, DCPL. Washington, DC.

1887 B/W- Source-Hopkins, Washingtonia Room. MLK Library, DCPL. Washington, DC.

1903 Color-Source- Baist, Library of Congress.

1909 Color-Source- Baist, Library of Congress.

1924 Color-Source- Baist, Washingtonia Division, MLK DC Library.

1927 Sanborn- Map. On-line database. Also available at the Library of Congress.

1951-1952 B/W aerial photo- Source-Online Paid Database- Creator U.S.Geological Survey.