by Bethel Stewart Pickett, Bonnie Elizabeth Scholes, George Matthew Reed, Harry Alexis Harding, Harry Warren Anderson, J. R. Holbert, John William Lloyd, Juliet Lita Bane, Mabel Wilkerson, Nelson William Hepburn, Oliver Ralph Overman, Robert Graham, University of Illinois (Urbana-Champaign campus). Dept. of Agronomy, Wesley Pillsbury Flint, William Leonidas Burlison, William Sanford Brock, George Harlan Dungan, Harriet Muriel Phillips, Harrison August Ruehe, Ivan Bertrand Boughton, Robert Watt Stark

1919