by University of Montana--Missoula

1914

by Washington State University

1907

by University of Minnesota

1907

by University of Michigan. College of Literature, Science, and the Arts

1922

by Yale University

1925

by Yale University

1924

by University of Kansas

1921

by Kansas. University, University of Kansas

1921

by University of Minnesota

1908

by University of Minnesota

1930

by Yale University

1909

by University of Minnesota. Institute of Agriculture, Forestry, and Home Economics

1909