Apollo Leisure Guide: The Castle Review by Guy MacPherson, details of cast and crew, readers' rating and links for merchandise. http://apolloguide.com/mov_revtemp.asp?Title=Castle,+The

Upcomingmovies.com: The Castle A preview and a review of the film. http://upcomingmovies.com/castle.html

Roger Ebert - The Castle A review of the film. http://www.suntimes.com/ebert/ebert_reviews/1999/05/051401.html

TV Guide Online: The Castle A short review and credits. http://www.tvguide.com/movies/database/ShowMovie.asp?MI=40744

IMDb: The Castle (1997) Includes cast, credits and users' comments. http://us.imdb.com/title/tt0118826/

Warner Home Video: National Lampoon's Christmas Vacation Official DVD site with synopsis, pictures, and forum. http://www.warnervideo.com/christmasvacation/