Columbia subject headings:
Betar.
Jews--Europe--History--20th century.
Revisionist Zionism--Europe--History.
Harvard subject headings:
Betar (Europe)--History.
Jews--Europe--History--20th century.
Zionism--Europe--History.
Princeton subject headings:
Betar.
Jews--Europe--History--20th century.
Revisionist Zionism--Europe--History.