<http://people.cs.uu.nl/jeroen/article/combinat/combinat.ps>
* [Chris Barker's Iota and Jot](http://semarch.linguistics.fas.nyu.edu/barker/Iota/)<p>
-* [To Dissect a Mockingbird](http://dkeenan.com/Lambda/index.htm)
+* [To Dissect a Mockingbird](http://dkeenan.com/Lambda/index.htm)
+* [Combinator Birds](http://www.angelfire.com/tx4/cus/combinator/birds.html)
+* [Les deux combinateurs et la totalite](http://www.paulbraffort.net/j_et_i/j_et_i.html) by Paul Braffort.
## Evaluation Order ##
* [The Y Combinator](http://dangermouse.brynmawr.edu/cs245/ycomb_jim.html) derives the applicative-order Y-combinator from scratch, in Scheme. This derivation is similar in flavor to the derivation found in The Little Schemer, but uses a slightly different starting approach...
* [The church of the least fixed point, by Sans Pareil](http://www.springerlink.com/content/n4t2v573m58g2755/)
+
## Types ##
* [[!wikipedia Tagged union]]