Save Cantonese at Stanford – Petition
docs.google.com
docs.google.com
It remains to be seen whether Cantonese has enough critical mass to resist being displaced by Mandarin, although Wikipedia suggests that ironically it has been prospering at the expense of smaller Southern Chinese tongues [1].
[0] https://en.wikipedia.org/wiki/Vergonha [1] https://en.wikipedia.org/wiki/Language_shift#China
Then again, if you said 50 years ago that Shanghainese might get wiped out that would’ve been laughable.