IMDb: Ivan Reitman - includes a filmography for the producer and director of such films as Stripes and Ghostbusters.
Ivan Reitman - The Onion AV Club interviews Ivan Reitman about his horror-movie start, political correctness, and more.
Jam!: Ivan Reitman - collection of articles.
Onion A.V. Club: Ivan Reitman - featuring a brief discussion of several of the producer/director's key comedies.
Rotten Tomatoes: Ivan Reitman - Canadian producer and director.
Slovakopedia: Ivan Reitman - Canadian film producer and director born in Slovakia.
Yahoo! Movies: Ivan Reitman - biography, filmography, and photograph gallery.