One Million B.C.: Plot summary and the ideological implications of the film.
One Million B.C.: Cast, crew and synopsis by Hal Erickson for the All Movie Guide.
One Million B.C. (1940): Synopsis, cast and credits.
One Million B.C. (1940): Dave Sindelar describes it as "Romeo and Juliet" with dinosaurs.
One Million B.C. (1940): Cast and crew details from the Internet Movie Database for the Victor Mature/Carole Landis version of this story.