Software Tools in Haskell is a translation of the code from Software Tools in Pascal, by Brian W. Kernighan and P.J. Plauger. It is my version of an intermediate Haskell text: how I learned to write Haskell programs.
See also Monads.
The "point-free" style of programming in Haskell (as well as other functional languages) has similarities to Concatenative languages.
The Santa Claus Problem compares an Erlang implementation of the Santa Claus problem with the Haskell used by Simon Peyton-Jones in a chaper of Beautiful Code.
Maniagnosis blog posts about Haskell.