Resources: Chinese Minority Languages China has a lot of minority groups and each group has its own language, if not a bunch of them.

What resources are there for learning Chinese minority languages?

For example: 

Naxi Dongba script : http://sinoglot.com/naxi/
Check out Ethnologue - http://www.ethnologue.com/country/CN/languages .

For specific information on each Chinese minority language click on "More information"

i.e. for Narua (6b (Threatened). Language of recognized nationality: Mongolian. Sichuan Province speakers assigned to the Mongolian nationality. Language of recognized nationality: Naxi. Yunnan Province speakers officially classified within Naxi nationality), it will lead you to:

http://www.ethnologue.com/language/nru

For learning, if you click on "Language Resources" you get:

http://www.language-archives.org/language/nru