Author
Rupp Collection (Athenaeum of Philadelphia)
22
Springirth, Kenneth C
15
Nock, O. S (Oswald Stevens), 1905-1994
14
Railway & Locomotive Historical Society
12
Grant, H. Roger, 1943-
11
Solomon, Brian, 1966-
10
Ellis, C. Hamilton (Cuthbert Hamilton), 1909-1987
9
Nock, O. S (Oswald Stevens), 1905-
8
Roberts, Charles S (Charles Swann)
8
Edward Potts Cheyney Memorial Fund
7
Hofsommer, Donovan L
7
Wood, Nicholas, 1795-1865
7
Dixon, Thomas W
6
Harouy, Michel, 1928-
6
Messer, David W
6
Middleton, William D., 1928-
6
Middleton, William D., 1928-2011
6
Smiles, Samuel, 1812-1904
6
Wilson, Ian, 1960-
6
Brown, Ron, 1945-
5
Camp, Mark J., 1947-
5
Doughty, Geoffrey H
5
Ham, John M
5
Klein, Maury, 1939-
5
Kramer, Frederick A
5
Lewis, Allan C
5
Maggs, Colin Gordon
5
Nock, O.S (Oswald Stevens), 1905-
5
Sanders, Craig
5
Taibi, John
5
Turner, Gregg M
5
Welsh, Joe
5
Wolmar, Christian
5
Wood, Nicholas
5
Burton, Anthony, 1934-
4
Cheney, Frank
4
Cudahy, Brian J
4
Esposito, Matthew D., 1967-
4
Gotham Book Mart Collection (University of Pennsylvania)
4
Gottwaldt, Alfred Bernd
4
Gove, Bill
4
Mühl, Albert
4
Popplewell, Lawrence
4
Schafer, Mike
4
Signor, John R
4
Springirth, Kenneth C.
4
Sulzer, Elmer Griffith
4
Thompson, Richard Martin
4
Ball, Don
3
Bednar, Mike, 1948-
3
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