Columbia subject headings:
Catholics--Poland--Intellectual life.
Intellectuals--Poland--Biography.
Poland--Intellectual life--1795-1918.
Harvard subject headings:
Catholics--Poland--Intellectual life.
Intellectuals--Poland--Biography.
Poland--Intellectual life--1795-1918
Princeton subject headings:
Catholics--Poland--Intellectual life.
Intellectuals--Poland--Biography.
Poland--Intellectual life--1795-1918.