- Charles F. Henderson, A. C. Hull, Charles Michael Merkel, Edgar Blake Hurd, Edwin Edward Drewniak, Fisk Gerhardt, George R. Struble, Gerald N. Franks, Howard Reynolds, James Robert Douglass, James William Kimmey, Jesse Edward Harmond, John Robinson Winston, Joseph Benjamin Shepherd, L. F. Locke, L. V. Wilcox, Leonard M. Klein, Lloyd W. Noble, Myron Sallee Anderson, United States. Agricultural Research Service. Animal and Poultry Husbandry Research Branch, Victor Friedrich Bruns, Walter Henricks Hodge, Walter M. Osborn, William H. Metzler, United States. Department of Agriculture, Anselm Clyde Griffin, Gladys L. Gilpin, Ralph Corbin Hall, Vernon Pollard Moore, Wallace M. Johnson, Irwin Hornstein
· 1955
And conclusions. pp. 21.
- A. W. Cressman, Arnold James King, Charles Frederic Andrus, Charles Warren Thornthwaite, Edward Clayton McCarty, Edward Manning Davis, Ernst Artschwager, Floyd Edward Davis, Frederick Lincoln Browne, George Stock Benton, Harold Lamont Borst, Herbert C. Fowler, James Edward McMurtrey, John Gilbert Shaw, Joseph Winslow Simons, L. H. Patch, Lela Evangeline Booher, M. S. Anderson, Ralph Hoagland, Ralph Melvin Lindgren, Ruth Elmquist Rogers, B. L. Wade, Benjamin Holzman, Charles Farquharson Stewart Sharpe, Charles Walter Bacon, Dale E. McCarty, George David Harrell, George Gordon Snider, J. R. Holbert, James Robert Douglass, Lynn Hugh Dawsey, Margaret Blanche Hays, Mary Gertrude Keyes, Raymond Price, Rosemary Laughlin Marsh, Russell Woodburn, Daniel Ready, Earl Fuller Dosch, George W. Cromer, John Jones Brown, Miles McPeek, R. T. Everly
· 1944
- Aaron G. Nelson, D. F. Fisher, Albert Oliver Rhoad, Alonzo Clayton Davis, Archie Hugh Madden, Colburn Charles Fifield, D. E. Fox, Dwight David Smith, Ernst Artschwager, George W. Barber, Gustav A. Wiebe, Harold Lamont Borst, L. H. Patch, L. Jay Atkinson, Leander D. Howell, Louis Jay Ducoff, Michael H. Langford, Norma Lenys Pearson, Paul Bruce Marsh, Paul Lewis Harding, Perley Spaulding, W. B. Cartwright, Walter Whittier Swett, Wilbur Tibbils Pentzer, William Henry Black, A. G. McCall, Charles Vinyard Wilson, Clyde Eugene Asbury, Frank Shirley Chamberlin, John W. Klein, Joseph Conrad Chamberlin, Merle T. Jenkins, Philip Russell Cowan, R. B. Carr, R. G. Shands, R. T. Everly, Forrest G. Bell, James Robert Douglass, Lucille Reinbach-Welch, W. R. Barger
· 1946
- A. B. Clawson, Arthur Frederick Sievers, C. H. Batchelder, C. J. King, Chase Going Woodhouse, Frederick Charles Scobey, Glenn Sanborn Smith, Hugh Hackland Darby, Irvin Carl Feustel, Irvin Cecil Brown, James Robert Douglass, John Guice Sutton, John William Strowbridge, Leander Scales Stuart, M. A. Crosby, M. S. Anderson, Milo Nelson Wood, Norma Lenys Pearson, Orville Alva Faris, Robert Claude Wright, Samuel Fortier, William Henry Black, Arthur Appleton Young, David Dewitt Questel, Edwin Alfonso Trowbridge, Eleanor Muriel Kapp, Faith Moors Williams, Horace Greeley Byers, Jacob Allen Clark, Morris Samson Lowman, Ralph Wylie Frey, Thomas Donnelly Rice, Walter M. Peacock, Lawrence Henry James, Thomas Moore Whiteman
· 1933
- Alfred Leroy Baker, Benton Mehrling Stahl, Charles William Loomer, Claude Kedzie Shedd, Donald Eisenbrey Church, Edward Pendleton Carter, Elsa Orent-Keiles, Fenner Satterthwaite Stickney, Frank Custer Edminster, Harry Curtis Young, Hazel Marie Fletcher, Herbert Halden Walkden, James Robert Dawson, Joseph Bailey Edmond, Leo E. Holman, M. A. Yothers, Marshall Tracy Deonier, Matthew Drosdoff, Myron Francis Babb, Ralph Dickieson Jennings, Ralph Leroy Parshall, Robert Douglass McCulley, Roy Wesley Nixon, Tom Part Cassidy, W. P. Baird, United States. Department of Agriculture, Arnold M. Hansen, David Victor Kopland, Dwight Fletcher Barnes, Frank Waldemar Carlson, George Yankush Young, James E. Kraus, Maurice E. Dahmus, Vernon Webster Johnson, Walter S. Atkinson, William Henry Black, Arthur Clifton McIntyre, Mary Ellen Duensing, Perez Simmons, Roy Magruder
· 1950