Hard Red Winter Wheat Improvement in the Plains by Franklin Elmer Allison, James Pershing Blaisdell, Victor Friedrich Bruns, David A. Young, Clarence Walter Langston, Samuel Cecil Salmon, Howard Vernon Jordan, Max Phillips, Louis Powers Reitz, E. M. Roller, James Edward Adams, William Franklin Turner, Herschel N. Pollard, Harry Willis Allen, E. L. Plasket, W. S. Chepil, Richard Turnbull Clark, Edmond S. Harris, Dean C. Muckel, Eben Richard Toole, Gordon A. King, L. P. Hebert, Norman Robert Brandenburg, William Erick Hallin, Aubrey M. Bacot, M. T. Henderson, Ralph Howard Davidson, W. W. Heinemann, D. L. Oldemeyer