- Cramer, Gail L. (4)
- Jensen, Clarence W. (4)
- Rhodes, V. James (3)
- Snodgrass, Milton Moore, 1931- (2)
- United States. Dept. of Agriculture (2)
- Wallace, Luther T. (2)
- Breimyer, Harold F. (1)
- Brubaker, Sterling (1)
- Clawson, Marion, 1905- (1)
- Cochrane, Willard Wesley, 1914- (1)
- Crosson, Pierre R. (1)
- Doll, John P. (1)
- Epp, Donald J. (1)
- Foote, Richard Jay, 1914- (1)
- Gee, Wilson, 1888- (1)
- Gregor, Howard F. (1)
- Herdt, Robert W., 1939- (1)
- Johnson, D. Gale (David Gale) (1)
- Leistritz, F. Larry (1)
- Malone, John W. (1)
- Marion, Bruce W. (1)
- McClintock, David William (1)
- Murdock, Steven H. (1)
- NC 117 Committee (1)
- Paarlberg, Robert L. (1)
- Price, Barry L., 1946- (1)
- Purcell, Wayne D. (1)
- Ross, Robert Cooke, 1891-1979 (1)
- Sanderson, Dwight (1)
- Southgate, Douglas Dewitt, 1952- (1)
- Stavins, R. N. (Robert N.), 1948- (1)
- Steiner, Frederick R. (1)
- Strange, Marty (1)
- Taylor, Anne Dewees (1)
- Taylor, Henry C. (Henry Charles), 1873-1969 (1)
- Theilacker, John (1)
- Thomsen, Frederick Lundy, 1898- (1)
- United States. Dept. of Agriculture. Office of Governmental and Public Affairs (1)
- Vogeler, Ingolf (1)
- West, Jerry G. (1)
- Wilcox, Walter William, 1904- (1)