Columbia subject headings:
Authors, Ukrainian--20th century.
Journalists--Canada--Biography.
Kravchuk, Petro, 1911-1997.
Socialists--Canada--Biography.
Ukrainians--Canada--Biography.
Harvard subject headings:
Authors, Ukrainian--20th century--Biography
Authors, Ukrainian--Canada--Biography.
Communists--Canada--Biography.
Communists--Ukraine--Biography
Journalists--Canada--Biography
Kravchuk, Petro, 1911-1997
Princeton subject headings:
Authors, Ukrainian--20th century.
Journalists--Canada--Biography.
Kravchuk, Petro, 1911-
Socialists--Canada--Biography.
Ukrainians--Canada--Biography.