Verlan
- A description of a French-based language game with examples.
- http://en.wikipedia.org/wiki/Verlan

Louchebem
- A description of the French-based language game, Louchébem (or Loucherbem), with examples.
- http://en.wikipedia.org/wiki/Louchebem

Language Game
- Describes the term language game and gives examples from different languages.
- http://en.wikipedia.org/wiki/Language_game

Geringoso
- A description of a Spanish-based language game used in Argentina, with examples.
- http://en.wikipedia.org/wiki/Geringoso

Same-Edge Alignment with Opposite-Edge Effects
- A linguistic paper on ludlings, with examples in Baliktád (from Tagalog) and Zuuja-go (from Japanese).
- http://wso.williams.edu/~nsanders/Papers/sanders-wccfl19.pdf

Vesre
- Description with examples of a language reversal in Argentinian Spanish.
- http://en.wikipedia.org/wiki/Vesre

Linguist List: Language Games
- Mailing list posting author Trey Jones presents a summary of secret and play languages from many cultures, including Cazarny Talk, the Russian Fufa Language, Arabic language play and Bengali Pig Latins. Extensive bibliography.
- http://linguistlist.org/issues/5/5-812.html

Parlez-Vous Verlan?
- A brief discussion of Verlan.
- http://www.globalpolicy.org/globaliz/cultural/2002/0326verlan.htm

Verlan - French Slang à l'Envers
- A summary of the French-based Verlan with examples.
- http://french.about.com/library/vocab/bl-verlan.htm

Interactive Programming In Java: A Community of Interacting Entities
- Word game examples of Java programming. Includes Pig Latin and Ubby Dubby.
- http://www.cs101.org/ipij/interlude-stringXformers.html

Vietnamese vs English: Noi Lai Play Language
- Mailing list thread touches on the noi lai jargon and its significance in Vietnamese society.
- http://www.saigon.com/~kyanh/archives/vn-gblf/msg00303.html

Linguist List: Pig Latin
- Mailing list posting mentions several play languages from different cultures, including Ubby Dubby and one used by natives of central Australia.
- http://www.linguistlist.org/issues/2/2-406.html

University of Pennsylvania: Linguistic Form in Ritual and Play
- Part of the schedule of lectures and assignments of Linguistics 001. Covers language games, song and verse. Includes a section on Ubbi Dubbi and children's language games in a number of countries.
- http://www.ldc.upenn.edu/myl/ling001/games.htm

Linguist List: Double-Dutch and Youthese / Pig Latin
- Mailing list posting talks about early occurrences of Pig Latin and other phonologically manipulated youth languages.
- http://www.linguistlist.org/issues/8/8-1221.html