- Programming in Haskell by Graham Hutton - https://www.cs.nott.ac.uk/~pszgmh/pih.html
- Ohaskell guide (in Russian) - https://www.ohaskell.guide/
- Learn You A Haskell - http://learnyouahaskell.com/
- learn4Haskell - https://github.com/kowainik/learn4haskell
- Yet Another Haskell Tutorial - https://en.wikibooks.org/wiki/Yet_Another_Haskell_Tutorial
- HaskellWiki - https://wiki.haskell.org/Haskell
- Haskell WikiBook - https://en.wikibooks.org/wiki/Haskell
- What I Wish I Knew When Learning Haskell - http://dev.stephendiehl.com/hask/
- Wikipedia pages - https://en.wikipedia.org/wiki/Monad_(functional_programming)
- University of Pennsylvania Haskell course - https://www.cis.upenn.edu/~cis1940
- Haskell course by Dmitrii Kovanikov - https://github.com/haskell-beginners-2022/course-plan