Columbia subject headings:
Lieberman, Herman, 1870-1941.
Mikołajczyk, Stanisław, 1901-1966.
Poland--Politics and government--1918-1945.
Statesmen--Poland--Biography.
Harvard subject headings:
Lieberman, Herman, 1870-1941.
Mikołajczyk, Stanisław, 1901-1966.
Poland--Politics and government--1918-1945
Statesmen--Poland--Biography.
Princeton subject headings: