Author
Cherikover, I. M., 1881-1943
2
Historický ústav SAV
2
Polišenský, Josef V.,
2
Class of 1924 Book Fund
1
Class of 1932 Fund
1
Gibbons, Russell W.
1
Lichtenstein, Nelson
1
Pennsylvania Labor History Society
1
Ryan, Francis, 1971-
1
Ueberhorst, Horst
1
Young, Wendell W., III, 1938-2013,
1
Zecker, Robert, 1962-
1