Columbia subject headings:
Harvard subject headings:
Education--Poland--Kraków Region--History--20th century.
Kraków Region (Poland)--History.
Tajna Organizacja Nauzycielska.
World War, 1939-1945--Poland--Kraków Region--Education and the war.
World War, 1939-1945--Underground movements--Poland--Kraków Region.
Princeton subject headings:
Tajna Organizacja Nauzycielska.
World War, 1939-1945--Education and the war.
World War, 1939-1945--Poland--Podkarpacie.