Apollo Movie Guide Summary, review, and links. http://apolloguide.com/mov_revtemp.asp?CId=2543

TV Guide Online: Frogs Review, cast, and crew. http://www.tvguide.com/movies/database/ShowMovie.asp?MI=27742

Frogs (1972) Cast, crew and reviews from the Internet Movie Database. http://us.imdb.com/title/tt0068615/

Allscifi Review - The Fly Analytical review of the plot, setting, theme, and structure of the film, and links to similar movies. http://www.allscifi.com/Topics/Info_7204.asp