by University of Notre Dame

1929

by University of Idaho

1912

by University of Colorado

1929

by University of North Dakota

1930

by Ohio State University. Center for Vocational and Technical Education

by University of Pennsylvania

1929

by Western Reserve University. School of Education

1929

by University of the State of New York

1919

by University of the State of New York

1919

by California. University

1913

by State University of Iowa

1925

by Arizona State University

1925