Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Underground movements--Poland--Województwo Podlaskie.
World War, 1939-1945--Underground movements--Poland--Zambrów Powiat.
World War, 1939-1945--Underground movements--Poland--Zambrów Region.
World War, 1939-1945--Underground movements--Poland--Łomża (Voivodeship)
Princeton subject headings:
World War, 1939-1945--Underground movements--Poland--Zambrów Powiat.
World War, 1939-1945--Underground movements--Poland--Łomża (Voivodeship).