Creator
- Blackley family1
- Blackley, Charles Phillips, Sr., 1909-19991
- Blackley, Chuck1
- Bowen & Co.1
- Böÿe, Herman1
- Burr, David H. (Geographer to the House of Representatives of the U. S.)1
- Crim, Samuella1
- Filson, John, ca. 1747-17881
- Historic Urban Plans (Firm)1
- J.H. Colton & Co.1
- L'Enfant, Pierre Charles, 1754-18251
- Miller, Mrs. John1
- Mount Vernon Ladies' Association of the Union1
- Mullet, John1
- United States George Washington Bicentennial Commission1