Columbia subject headings:
Authors, American--20th century--Biography.
Screenwriters--United States--Biography.
Trumbo, Dalton, 1905-1976.
Harvard subject headings:
Authors, American--20th century--Biography
Motion picture authorship.
Screenwriters--United States--Biography
Trumbo, Dalton, 1905-1976
Trumbo, Dalton, 1905-1976--Biography.
Princeton subject headings:
Authors, American--20th century--Biography.
Motion picture authorship.
Screenwriters--United States--Biography.
Trumbo, Dalton, 1905-1976.