Columbia subject headings:
Harvard subject headings:
Poland--History--Occupation, 1939-1945
Poland. Armia. Armia "Prusy".
World War, 1939-1945--Campaigns--Poland.
World War, 1939-1945--Regimental histories--Poland.
Princeton subject headings:
Poland--Armia.--Armia "Prusy".
Poland--History--Occupation, 1939-1945.
World War, 1939-1945--Campaigns--Poland.
World War, 1939-1945--Regimental histories--Poland.