- Gerald Lee Ross
· 1964
- Gerald Lee Ross
· 1978
- Alten F. Grandt, Benjamin Koehler, Billy Joe Bond, Charles S. Walters, Clarence Peter Schumaier, David Edgar Lindstrom, Earl Raymond Swanson, Earl Reece Leng, Jacob Arthur Weber, Kenneth R. Peterson, Robert McDermand Peart, Robert W. Jugenheimer, Roger Gaurth Hansen, Velmar Walk Davis, Walter August Huelsen, Kenneth Emmet Wiiliams, Alvin Leonard Lang, Arthur James Crowley, Don Marvin Carlson, Gerald Lee Ross, John Elliot Wills, Wayne Lewis Meek, William Putnam Bemis, Richard Mather Forbes, Roy Neuman Van Arsdall
· 1957
No author available
· 1979