Some people ask me to compose such list from time to time, so I decided to make some decent public version. The second reason – I don't want to loose some good links, so this list can be good place to store them.
There are different categories:
Sure there already exists similar lists from different people. For example, I know at least one good one from Helena Jeret-Mäe: How to Start Learning about Testing. If you know some other good lists – please, let me know.