by Carlos Grant Williams, Harry Arthur Gossard, Joseph Lyonel King, Ohio Agricultural Experiment Station, R. D. Whitmarsh, Wayne Lewis Robison, William Henry Alexander, William James Green

1917

by Augustine Dawson Selby, Carlos Grant Williams, Harry Arthur Gossard, John Warren Smith, William H. Goodwin, William James Green, True Houser

1911

by Carlos Grant Williams, Emil Godfred Arzberger, George R. Eastwood, Harry Arthur Gossard, J. W. Hammond, Loring Hapgood Goddard, Ralph Elmer Caldwell

1913

by Carlos Grant Williams, Charles Embree Thorne, Ernest Browning Forbes, Frank H. Ballou, John Jackson Crumley, John W. Ames, Ohio Agricultural Experiment Station, William H. Goodwin

1910