by University of Montana--Missoula

1915

by Atlanta University

1911

by University of Cincinnati. Graduate School

1910

by Indiana University, James Albert Woodburn

1926 · Bloomington, Ind. : Indiana University

by Cornell University. Agricultural Experiment Station

1927

by University of Cincinnati

1910

by Vanderbilt University

1925

by Indiana University

1925

by Columbia University. Teachers College

1927

by Indiana University

1925

by Hugh Evander Willis, Indiana University

1926

by Cornell University. Agricultural Experiment Station

1926