Columbia subject headings:
Harvard subject headings:
Constitutional law--Germany--Congresses
Education--Philosophy--Congresses
Litt, Theodor, 1880-1962--Political and social views--Congresses.
Political ethics--Germany--Congresses.
Political science--Germany--Philosophy--Congresses.
State, The--Congresses
Princeton subject headings:
Constitutional history--Germany--History.
Germany. Grundgesetz--Congresses.
Litt, Theodor, 1880-1962--Influence--Congresses.