Columbia subject headings:
Harvard subject headings:
Education and state--Poland--History--20th century.
Education and state--Poland--Wielkopolska--History--20th century.
National socialism and education.
Poland--History--Occupation, 1939-1945
Princeton subject headings:
Education and state--Poland--History--20th century.
Education and state--Poland--Wielkopolska--History--20th century.
National socialism and education.
Poland--History--Occupation, 1939-1945.