Chicago Sun-Times: Once Upon a Time in Mexico
- Rogert Ebert reviews the movie written and directed by Robert Rodriguez.
- http://rogerebert.suntimes.com/apps/pbcs.dll/article?AID=/20030912/REVIEWS/309120304/1023

Living La Vida Loca
- A forum dedicated to movie character CIA agent Sheldon Jeffrey Sands.
- http://agentsands.proboards25.com

The Celebrity Cafe: Once Upon A Time in Mexico
- Review by Laurie Kisner.
- http://www.thecelebritycafe.com/movies/full_review/223.html

DreamLogic: Once Upon a Time in Mexico
- Review of the film by two reviewers.
- http://www.dreamlogic.net/REVIEWS/onceuponmexico.html

IMDB - Once upon a time in Mexico
- Cast and crew, synopsis and filming locations.
- http://us.imdb.com/title/tt0285823/

Salon.com - Once Upon a Time in Mexico
- Andrew O'Hehir reviews the movie by Robert Rodriguez and describes it as a gun-slingin', car-chasin' joyous mess.
- http://www.salon.com/ent/movies/review/2003/09/12/mexico/index.html

SplicedWire - Once Upon a Time in Mexico
- Rob Blackwelder reviews the film by Robert Rodriguez.
- http://www.splicedwire.com/03reviews/onceinmex.html

Sony Pictures - Once Upon A Time In Mexico
- Official website featuring reviewsm synopsis, trailer, photographies, and background information.
- http://www.sonypictures.com/movies/onceuponatimeinmexico/

Metromix.com - Once Upon a Time in Mexico
- Michael Wilmington reviews the movie by writer/director Robert Rodriguez for the Chicago Tribune.
- http://metromix.chicagotribune.com/movies/mmx-030911movies-review-mw-onceuponatimeinmexico,0,6845011.story?coll=mmx-movies_top_heds

HARO Online: Once Upon a Time in Mexico
- Haro reviews the movie.
- http://www.haro-online.com/movies/once_upon_a_time_in_mexico.html

All-Reviews.com - Once Upon a Time in Mexico
- Reviews of the movie.
- http://all-reviews.com/videos-5/once-upon-a-time-mexico.htm

Cinema Savvy: Once Upon a Time in Mexico
- Summary, review, box office information, and soundtrack listing.
- http://www.cinemasavvy.com/o/onceuponatimeinmexicomovie.html

World of Movies: Once Upon a Time in Mexico
- Film information, cast and crew, reviews, and links.
- http://www.world-of-movies.com/once_upon_a_time_in_mexico/index.htm