Columbia subject headings:
Europe--History--1918-1945.
Europe--Intellectual life--20th century.
Informational works.
Nineteen twenties.
Harvard subject headings:
Europe--History--1918-1945
Europe--Intellectual life--20th century
Nineteen twenties
Princeton subject headings:
Europe--History--1918-1945.
Europe--Intellectual life--20th century.
Nineteen twenties.