Columbia subject headings:
Historians--Poland--Biography.
Kolankowski, Ludwik, 1882-1956--Bibliography.
Kolankowski, Ludwik, 1882-1956.
Harvard subject headings:
Historians--Poland--Biography
Kolankowski, Ludwik, 1882-
Kolankowski, Ludwik, 1882---Bibliography.
Princeton subject headings: