Saturday, April 28, 2012
Those can be found here, a page that categorizes Tedx talks by language, country, and so on. It is not entirely accurate as there are a good amount of English videos hidden there, especially in places where English speakers are more common than others (Germany, Hong Kong, etc.). Sometimes the title will help out here, but not always.
Since these videos don't have transcripts it wouldn't be worth mentioning on a post were it not for the number of languages contained there, namely:
American Sign Language
The ones in bold are those in the list that usually have very limited content online, especially audio content.
Catalan for example: