TV Guide Online: Man Who Knew Too Much, The
- Includes review, plot, and cast.
- http://online.tvguide.com/detail/movie.aspx?tvobjectid=126513

IMDb: Man Who Knew Too Much, The (1934)
- Synopsis, cast and credits, and user comments.
- http://us.imdb.com/title/tt0025452/

Britmovie - Man Who Knew Too Much
- Cast/crew information, ratings, synopsis, and images.
- http://www.britmovie.co.uk/directors/a_hitchcock/filmography/017.html

The Man Who Knew Too Much
- Starring Leslie Banks, Edna Best and Peter Lorre. The film was created in 1934 - and provides a fascinating insight into the world of intrigue in pre-war Europe.
- http://www.liketelevision.com/web1/movies/nu2much/