Contributor
- Hoyt, Robert S. (6)
- Coleman, John R. (5)
- Francis, Roy (5)
- Sloan, Robert (4)
- University of Minnesota Duluth (4)
- Best (3)
- Boddy, Francis (2)
- Sloan, Robert E. (2)
- Tarabo, Wolfgang (2)
- Adelman, Robert (1)
- Anderson, Clara (1)
- Bee Photo (1)
- Blocker, Donald (1)
- Boddy, Frank (1)
- Donahue, George A. (1)
- Fitzgerald, Bertram (editor) (1)
- Frelich, Roger (1)
- Gibboney, Frank (1)
- Hartup, William (1)
- Hofmann, William (1)