Some links for (my own) convenience:

How to make our talk page discussions accessible to screen readers.

The WMF visual style guide also has accessibility tips and WebAIM’s contrast checker is a big help.

v t e Resources available from The Wikipedia Library
Most partners are now available via the Library Card Platform – go there to apply!
Partners not currently on the platform:	Finnish Literature Society (fi) Gaudeamus (fi) Kotobna (ar) Finnish Environment Institute (fi)
Suggest another! A–Z periodical search