Author
Duffy, Edward W., 1947-
2
Kennedy, David Johnson, 1816-1898,
2
Meyers, Allen
2
Brown, Andrew S.
1
Cox, Harold E.
1
Diemer, Andrew K.,
1
DuPuis, Roger, II,
1
Nathans, Carl
1
Onymous, A. N.
1
Pennsylvania Railroad Technical & Historical Society. Philadelphia Chapter
1
Spivak, Joel
1
Springirth, Kenneth C.
1
Townsend, John W., 1855-1939
1