Columbia subject headings:
Harvard subject headings:
Banks, Hal, 1909-1985.
Banks, Hal.
Canadian Seamen's Union--History.
Merchant mariners--Labor unions--Canada--History.
Seafarers' International Union of North America--History.
Sullivan, John Alan, 1896-
Sullivan, John Allan Patrick, 1896-
Princeton subject headings:
Banks, Hal.
Canadian Seamen's Union.
Merchant mariners--Labor unions--Canada--History.
Seafarers' International Union of North America.
Sullivan, John Alan, 1896-