Luther G. Tweeten, John B. Braden, Robert T. Fraley, John F. Gerber, Daryle E. Greene, Robert D. Havener, Peter Hermanson, Oran B. Hesterman, William J. Hudson, Gail E. Janssen, James K. Jensen, William B. Lacy, Linda K. Lee, Bernard J. Liska, John W. Mellor, Robert H. Miller, Joseph J. Molnar, Robert R. Oltjen, D. W. Rains, Robert Rodale, James W. Searcy, Richard L. Thompson (Autor/a)
Marvin E. Jensen, Michael Boswell, John E. Carlson, Gylan L. Dickey, Jerry D. Eastin, James R. Gilley, Terry A. Howell, E. Gordon Kruse, Jr. John Letey, William M. Lyle, John H. Peverly, H. Don Scott, Robert C. Sears, Ronald E. Sneed, E. Dale Threadgill, Henry J. Vaux, Shashi B. Verma, Robert A. Young, Tom Young (Autor/a)
