Columbia subject headings:
Cuba--Social conditions--1918-1959.
Cuba--Social life and customs.
Fraternal organizations--Cuba--History.
Working class--Cuba--History--19th century.
Working class--Cuba--History--20th century.
Harvard subject headings:
Cuba--Social conditions--1918-1959
Cuba--Social life and customs.
Fraternal organizations--Cuba--History.
Working class--Cuba--History--19th century.
Working class--Cuba--History--20th century.
Princeton subject headings:
Cuba--Social conditions--1918-1959.
Cuba--Social life and customs.
Fraternal organizations--Cuba--History.
Working class--Cuba--History--19th century.
Working class--Cuba--History--20th century.