Columbia subject headings:
Comedians--Germany--Biography.
Entertainers--Germany--Biography.
Germany--Politics and government--1933-1945.
Valentin, Karl, 1882-1948.
Harvard subject headings:
Comedians--Germany--Biography.
Entertainers--Germany--Biography
Germany--Politics and government--1933-1945.
Valentin, Karl, 1882-1948.
Princeton subject headings: