I started putting this document together for myself to keep track of online resources and books I could reference to, while learning frame animation. I haven't read all the listed books but I found them recommended online by others.
Some of links have been shared here by people already so I wanted to organise it all by categories.
I have also found some interesting Youtube channels and little by little I will start adding interesting Tumblr pages I found, etc, even drawing resources and things about perspective that could help/ related to frame animation some how.
I have seen there is more people like me trying to learn the craft so I thought this list could be helpful.
Feel free to suggest other learning resources :)