Columbia subject headings:
Poland--Intellectual life--1945-1989.
Politics and culture--Poland.
Politics and culture--United States.
United States--Intellectual life--20th century.
Harvard subject headings:
Poland--Intellectual life--1945-
Politics and culture--Poland.
Politics and culture--United States.
United States--Intellectual life--20th century.
Princeton subject headings:
Poland--Intellectual life--1945-1989.
Politics and culture--Poland.
Politics and culture--United States.
United States--Intellectual life--20th century.