Haskell Programming by Christopher Allen
The PDF covers the following topics related to Haskell Programming : All You Need is Lambda, Hello, Haskell!, Strings, Basic datatypes, Types, Typeclasses, More functional patterns, Recursion, Lists, Folding lists, Algebraic datatypes, Signaling adversity, Testing, Monoid, Semigroup, Functor, Applicative, Monad, Applying structure, Foldable, Traversable, Reader, State, Parser combinators, Composing types, Monad transformers, Non-strictness, Basic libraries, IO.
Author(s): Christopher Allen, Julie Moronuki
1076 Pages 
This page covers the following topics related to Haskell : Basics, Introduction, Haskell, Basics, Shakespearean Templates, Widgets, Yesod, Typeclass, Routing and Handlers, Forms, Sessions, Persistent, Deploying your Webapp, Advanced, RESTful Content, Yesod’s Monads, Authentication and Authorization, Scaffolding and the Site Template, Internationalizatio, Creating a Subsite, Understanding a Request, SQL Joins, Yesod for Haskellers, Examples, Initializing data in the foundation datatype, Blog: i18n, authentication, authorization, and database, Wiki: markdown, chat subsite, event source, JSON Web Service, Case Study: Sphinx-based Search, Visitor counter, Single process pub-sub, Environment variables for configuration, Route attributes, Appendices, monad-control, Web Application Interface, Settings Types, http-conduit, xml-conduit.
Author(s): NA
NA Pages
A Gentle Introduction to Haskell 98 Yale
The PDF covers the following topics related to Haskell Programming : Introduction, Values, Types, and Other Goodies, Functions, Case Expressions and Pattern Matching, Type Classes and Overloading, Types, Again, Input/Output, Standard Haskell Classes, About Monads, Numbers, Modules, Arrays.
Author(s): Paul Hudak, John Peterson, Joseph Fasel, Department of Computer Science, Yale University, University of California
64 Pages
