Author
Duffy, Edward W., 1947-
2
Borgnis, Mervin E.
1
City History Society of Philadelphia
1
Elsner, Henry
1
Meyers, Allen
1
Pennsylvania Railroad Technical & Historical Society. Philadelphia Chapter
1
Rohrbeck, Benson W.
1
Spivak, Joel
1
Springirth, Kenneth C.
1
Springirth, Kenneth C.,
1
Trautwine, John C. 1850-1924
1
Vible, Richard
1