Columbia subject headings:
Harvard subject headings:
Fillmore, Roscoe A.
Horticulturists--Canada--Biography.
Politicians--Canada--Biography
Socialism--Canada--20th century.
Socialism--Canada--History--20th century.
Socialists--Canada--Biography.
Princeton subject headings:
Canada--Politics and government--20th century.
Fillmore, Roscoe A.
Horticulturists--Canada--Biography.
Socialism--Canada--History--20th century.
Socialists--Canada--Biography.