Columbia subject headings:
Jews--Poland--Otwock--History--20th century.
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Poland--Otwock.
Jews--Poland--Otwock--History.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland--Otwock.
Jews--Poland--Otwock--History--20th century.
World War, 1939-1945--Jews--Poland--Otwock.