Columbia subject headings:
Education--Poland--History--20th century.
Learning and scholarship--Poland--History--20th century.
Poland--History--Occupation, 1939-1945.
World War, 1939-1945--Education and the war.
World War, 1939-1945--Underground movements--Poland.
Harvard subject headings:
Education--Poland--History--20th century
Learning and scholarship--Poland--History--20th century.
Poland--History--Occupation, 1939-1945
World War, 1939-1945--Education and the war.
World War, 1939-1945--Underground movements--Poland.
Princeton subject headings:
Education, Higher--Poland.
Universities and colleges--Poland--History.
World War, 1939-1945--Education and the war.