Columbia subject headings:
Holocaust, Jewish (1939-1945)--Poland.
Jews--Poland--Biography.
Poland--Ethnic relations.
Poland--Politics and government--1918-1945.
Politicians--Poland--Biography.
Schwarzbart, Isaac I.
World War, 1939-1945--Governments in exile.
Harvard subject headings:
Jews--Poland--History--20th century.
Poland--History--Occupation, 1939-1945
Schwarzbart, Isaac I.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland.
Jews--Poland--Biography.
Poland--Ethnic relations.
Poland--Politics and government--1918-1945.
Politicians--Poland--Biography.
Schwarzbart, Isaac I.
World War, 1939-1945--Governments in exile.