Columbia subject headings:
Harvard subject headings:
College teachers--Germany--Berlin--Biography.
Historians--Germany--Biography
Humboldt-Universität zu Berlin--History.
Meusel, Alfred, 1896-1961.
Socialism--Germany--History
Sociologists--Germany--Biography.
Princeton subject headings:
College teachers--Germany--Berlin--Biography.
Historians--Germany--Biography.
Humboldt-Universität zu Berlin--History.
Meusel, Alfred, 1896-1961.
Socialism--Germany--History.
Sociologists--Germany--Biography.