Columbia subject headings:
Harvard subject headings:
Carpenters--Labor unions--Officials and employees--Ontario--Toronto--Biography.
Colantonio, Frank, 1923-1997.
Construction industry--Ontario--Toronto--Biography.
Italians--Ontario--Toronto--Biography.
Princeton subject headings:
Colantonio, Frank, 1923-1997.
Construction industry--Ontario--Toronto--History--20th century.
Immigrants--Ontario--Toronto--Biography.
Italians--Ontario--Toronto--Biography.
Labor unions--Ontario--Toronto--History--20th century.
Toronto (Ont.)--Biography.