Columbia subject headings:
Europe--Intellectual life--20th century--Periodicals.
Scholarly periodicals--Europe--History--20th century--Sources.
Scholarly periodicals--Europe--History--20th century.
Harvard subject headings:
Europe--Intellectual life--20th century--Periodicals--History--Sources.
Europe--Intellectual life--20th century--Periodicals--History.
Scholarly periodicals--Europe--History--20th century--Sources.
Scholarly periodicals--Europe--History--20th century.
Princeton subject headings: