Author
- Fenton3
- Guillot, René, 1900-1969.3
- Hader, Berta.3
- Heinlein, Robert A. (Robert Anson), 1907-1988.3
- Hoag, Malcolm W.3
- Ipcar3
- Judson, Clara Ingram, 1879-1960.3
- Lewellen3
- Lubell, Samuel.3
- Norton, Andre.3
- Smith3
- Sutton, Felix.3
- Torrente Ballester, Gonzalo.3
- Williams3
- Zion3
- AFL-CIO.2
- AFL-CIO. Industrial Union Department.2
- Angelo2
- Bannerman, Helen, 1862-1946.2
- Baudouy, Michel Aimé, 1909-2