Author
Jackson, Joseph
9
Philadelphia (Pa.). Department of Streets
3
Green, Doron, 1868-
2
Nolan, J. Bennett 1877-1964
2
Ashmead, Henry Graham, 1838-1920
1
Ballon, Hilary
1
Baltimore (Md.)
1
Baltimore (Md.). City Library,
1
Chester County Historical Society (West Chester, Pa.)
1
Delaware County Historical Society
1
Elfreth's Alley Association, Inc
1
Frederic R. Kirkland Collection
1
Gerard, James W. 1823-1900
1
Hamilton, Kenneth G. 1893-1975
1
Hammett, Barnabas
1
Hemp, William H.
1
Jackson, Joseph, 1867-1946
1
James, Arthur Edwin, 1897-1989
1
Jones' Town, Md
1
Keeney, Caleb R.
1
Koeppel, Gerard T., 1957-
1
Kyriakodis, Harry
1
New-York Historical Society
1
Pennsylvania. Supreme Court
1
Philadelphia (Pa.). Department of Records
1
Philadelphia Art Alliance Architectural League
1
Philadelphia Waterfront Developers Council
1
Philadelphia,
1
Read, John M. 1797-1874
1
Vickers, George
1
Wallace Roberts & Todd (Philadelphia, Pa.)
1