Creator
- Bache, A. D. (Alexander Dallas), 1806-18671
- Blackford, W. W. (William Willis), 1831-19051
- Blackley family1
- Blackley, Charles Phillips, Sr., 1909-19991
- Blackley, Chuck1
- Bowen & Co.1
- Boyd, Charles Rufus, 1841-19031
- Chesapeake Western Railway1
- Clifford, Alan F., 1919-19951
- Clifford, Shirley Mittleman, 1923-19971
- Clifford-Wysor family1
- Filson, John, ca. 1747-17881
- Forbes Lithograph Manufacturing Company1
- Hassler, F. R. (Ferdinand Rudolph), 1770-18431
- Historic Urban Plans (Firm)1