Columbia subject headings:
Harvard subject headings:
Moog, Willy, 1888-1935.
Philosophy, German--20th century.
Philosophy--Study and teaching (Higher)--History--20th century.
Schmalenbach, Herman, 1885-1950.
Technische Hochschule Carolo-Wilhelmina zu Braunschweig--History--20th century.
Technische Hochschule Hannover--History--20th century.
Princeton subject headings:
Moog, Willy, 1888-1935.
Philosophers--Germany--Biography.
Schmalenbach, Herman, 1885-1950.