- Individuals
- Wayne Bailey, University of Missouri
- K.R.Barker, North Carolina State University
- G. Benson, Iowa State University
- Chris Boerboom, University of Wisconsin
- Clemson University
- Jim Curley, University of Missouri
- Michael DeFelice, Pioneer
- C.R. Edwards, Purdue University
- Fred Fishel, University of Missouri
- Craig Grau, University of Wisconsin
- R Hanson, formerly University of Missouri
- Z.R. Helsel, Rutgers University
- J. Henderson, Auburn University
- Donald E. Hershman, University of Kentucky
- D. Isenhouer
- Bill Johnson, University of Missouri
- B.W. Kennedy
- Stephen Koenning, North Carolina State University
- C.W. Kuhn
- S.A. Lewis, Clemson University
- Michigan State University
- Norman Minton, University of Georgia
- Larry Murphy, Fluid Fertilizer Foundation
- Melvin Newman, University of Tennessee
- James P. Noe, University of Georgia
- Dick Oliver, University of Arkansas
- E. Oplinger, University of Wisconsin
- Michael Owen, Iowa State University
- Oregon State University
- Einar Palm, University of Missouri
- J.H. Palmer, Clemson University
- Dallas Peterson, Kansas State University
- George Rehm, University of Minnesota
- Peter Scharf, University of Missouri-Columbia
- Donald P. Schmitt, University of Hawaii
- W.O. Scott, University of Illinois
- M. Shepard
- J.B. Sinclair, University of Illinois
- Marvin Swearingin, Purdue University
- Laura Sweets, University of Missouri-Columbia
- Gene Stevens, University of Missouri
- Gregory L. Tylka, Iowa State University
- Dick Weise, University of Nebraska
- John Woodruff, University of Georgia
- The American Phytopathological Society
- Images from APS are reprinted, with permission, from Compendium of Soybean Diseases, Fourth Edition, 1999, The American Phytopathological Society, St. Paul, MN
- Iowa State University of Science and Technology
- “How a Soybean Plant Develops,” Special Report No. 53, Iowa State University of Science and Technology, Cooperative Extension Service, Ames, Iowa
- Larsh Bristol Agriculture Photography
- Larsh Bristol Agriculture Photography, Volume 1
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