Columbia subject headings:
Harvard subject headings:
Conservatives--Germany--Biography.
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Industrialists--Germany--Biography
Industrialists--Switzerland--Biography.
Liebknecht, Karl, 1871-1919
Luxemburg, Rosa, 1871-1919
Pabst, Waldemar, 1880-1970.
Princeton subject headings:
Conservatives--Germany--Biography.
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Industrialists--Germany--Biography.
Industrialists--Switzerland--Biography.
Liebknecht, Karl, 1871-1919.
Luxemburg, Rosa, 1871-1919.
Pabst, Waldemar, 1880-1970.