Author
Brody, Alexander, 1903-
1
Böttger, Wilhelm, 1871-
1
Colorado Agricultural College
1
Gray, William S. (William Scott), 1885-1960
1
Ivanissevich, Oscar, 1895-1976
1
Joint committee on administrative phases of state educational systems of the American council on education and the Social science research council
1
Matthaesius, Friedrich, 1891-
1
Mexico
1
Meyer, Jürgen Bona, 1829-1897
1
Savage, Howard J. (Howard James), 1886-1973
1
Universidad Nacional Autónoma de México
1
Vereinigung ausserordentliche Professoren Preussens. Vorstand
1