Real World Haskell
This page covers the following topics related to Haskell : Why functional programming, Why Haskell, Getting started, Types and functions, Defining types, streamlining functions, Functional programming, Writing a library: working with JSON data, Using typeclasses, Input and output, Efficient file processing, regular expressions, and file name matching, I/O case study: a library for searching the filesystem, Code case study: parsing a binary data format, Testing and quality assurance, Barcode recognition, Data structures, Monads, Programming with monads, The Parsec parsing library, The foreign function interface, Monad transformers, Error handling, Systems programming, Working with databases, Web client programming, GUI programming, Basic concurrent and parallel programming, Profiling and tuning for performance, Advanced library design: building a Bloom filter, Network programming, Software transactional memory, Installing GHC and Haskell libraries, Characters, strings, and escaping rules, Web site and comment system usage and policies.
Author(s): Bryan O'Sullivan, Don Stewart, John Goerzen
NA 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
