Columbia subject headings:
Harvard subject headings:
Concentration camp inmates--Poland--Biography.
Concentration camps--Europe--History--Sources.
Journalists--Poland--Biography
Poets, Polish--20th century--Biography
Polak, Edmund
Poland--History--German occupation, 1914-1918--Sources.
Princeton subject headings:
Journalists--Poland--Biography.
Nazi concentration camp inmates--Poland--Biography.
Nazi concentration camps--Europe--History--Sources.
Poets, Polish--20th century--Biography.
Polak, Edmund.
Poland--History--German occupation, 1914-1918--Sources.