Columbia subject headings:
Harvard subject headings:
Canada--Politics and government--1914-
Canada. Parliament. Senate--Biography.
Croll, David A. (David Arnold), 1900-
Legislators--Canada--Biography
Princeton subject headings:
Canada--Politics and government--1914-
Canada. Parliament. Senate--Biography.
Croll, David A. (David Arnold), 1900-
Jews--Canada--Biography.
Ontario. Legislative Assembly--Biography.
Politicians--Canada--Biography.