1972 Mustang Olympic Sprint Registry
- Includes photos, history and restoration information on 1972 Ford Mustang Sprint vehicles.
- http://www.1972mustangsprint.com/

1996 Mystic Cobra
- Provides a database of production numbers for each model produced. Registered vehicles are listed with a photograph and owner information.
- http://www.1996mysticcobra.com/

1969 Mustang S-Code Registry
- Dedicated to 390 big-block Mustangs of 1969. Contains faq's, statistics, and decoding information. Free registration.
- http://www.1969scode.com/

S-Code Mustang Registry
- Includes online registration, classifieds, build options, and forums dedicated to the first big block Mustangs produced by Ford.
- http://www.scodemustang.com/

1969 Mustang GT Registry
- Includes description of GT features, photos of registered cars plus online form.
- http://home.comcast.net/~gt69registry/

Mustang 5.0 LX Registry
- A registry devoted to the 1979-93 Mustang 5.0L models, with an emphasis on LXs. Features include year-by-year historical info, tech tips and online registration.
- http://www.mustangregistry.org/

Mustang 428 Cobra Jet Registry
- Registry for all 428CJ-powered Mustangs, 1968-1970. Site offers production statistics, component identification, index of print articles, plus links to off-site resources.
- http://www.428cobrajet.org

Mustang Resources
- 1964.5-1966 Ford Mustang registry, plus boards for reviews of 'reproduction' parts, general messages and classifieds.
- http://www.hurtle.com/cars/mustang

2003-04 Mach 1 Registry Owners Club
- Features news items, a photo gallery, message forums, an owners list and historical information.
- http://www.mach1registry.com/

1982-1993 Mustang GT Registry
- Source for information on 1982-1993 Mustang GTs. Includes year-by-year information, photo gallery, message board and classifieds.
- http://www.mustanggt.org/