* [Hitchhiker's guide to Haskell](https://wiki.haskell.org/Hitchhikers_guide_to_Haskell)
* [Learn You a Haskell for Great Good](http://learnyouahaskell.com/chapters)
* [Gentle Introduction to Haskell](https://www.haskell.org/tutorial) (from 2000)
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* [Real World Haskell](http://book.realworldhaskell.org/read) (from 2008, more advanced)
* [Hitchhiker's guide to Haskell](https://wiki.haskell.org/Hitchhikers_guide_to_Haskell)
* [Learn You a Haskell for Great Good](http://learnyouahaskell.com/chapters)
* [Gentle Introduction to Haskell](https://www.haskell.org/tutorial) (from 2000)
<!-- -->
* [Real World Haskell](http://book.realworldhaskell.org/read) (from 2008, more advanced)