Listening to The Conversation
http://www.identitytheory.com/listening-to-the-conversation/
An article in "Identity Theory" on the particular merits of the film by David C. Ryan
The Conversation
http://www.tcm.com/tcmdb/title/71469/The-Conversation/
An entry on the film on the website for Turner Classic Movies
Francis Ford Coppola and Brian De Palma: ‘The Conversation’ Between Two Great Filmmakers
http://cinephiliabeyond.org/francis-ford-coppola-brian-de-palma-conversation-two-great-filmmakers/
A conversation between two acclaimed film directors, Brian De Palma and Francis Ford Coppola
The Conversation on IMDB
http://www.imdb.com/title/tt0071360/
The entry for the film on the Internet Movie Database
A Haunting 'Conversation':'Conversation'
http://www.nytimes.com/movie/review?res=9F04E7D7133DEF32A25752C2A9629C946590D6CF
A 1974 review of the film in The New York Times by Vincent Canby