Columbia subject headings:
Constitutional law--Germany--Study and teaching.
Holstein, Günther, 1892-1931.
Kaufmann, Erich.
Smend, Rudolf, 1882-1975.
Harvard subject headings:
Constitutional law--Germany--Philosophy--History.
Germany--History--1918-1933.
Holstein, Günther, 1892-1931.
Kaufmann, Erich.
Positivism--History.
Smend, Rudolf, 1882-1975
Princeton subject headings: