Columbia subject headings:
Liberalism--Germany.
Political science.
Welcker, Karl Theodor, 1790-1869.
Harvard subject headings:
Liberalism--Germany
Welcker, Karl Theodor, 1790-1869--Contributions in political science.
Princeton subject headings:
Liberalism--Germany.
Welcker, Karl Theodor, 1790-1869--Contributions in political science.