Creator
- Blackford, W. W. (William Willis), 1831-19051
- Blackley family1
- Blackley, Charles Phillips, Sr., 1909-19991
- Blackley, Chuck1
- Bowen & Co.1
- Chesapeake Western Railway1
- Clifford, Alan F., 1919-19951
- Clifford, Shirley Mittleman, 1923-19971
- Clifford-Wysor family1
- Filson, John, ca. 1747-17881
- Historic Urban Plans (Firm)1
- L'Enfant, Pierre Charles, 1754-18251
- Mount Vernon Ladies' Association of the Union1
- Mullet, John1
- Price, Charles Grattan, III1