Columbia subject headings:
Harvard subject headings:
Intellectuals--Poland--History--19th century--Congresses.
Intellectuals--Poland--History--19th century--Exhibitions.
Intellectuals--Poland--History--20th century--Congresses.
Intellectuals--Poland--History--20th century--Exhibitions.
Middle class--Poland--History.
Poland--Intellectual life--19th century--Congresses.
Poland--Intellectual life--19th century--Exhibitions.
Poland--Intellectual life--20th century--Congresses.
Poland--Intellectual life--20th century--Exhibitions.
Princeton subject headings:
Intellectuals--Poland--Portraits--Exhibitions.
Poland--Intellectual life--1795-1918--Congresses.
Poland--Intellectual life--1918-1945--Congresses.
Poland--Intellectual life--Pictorial works--Exhibitions.