## Untyped lambda calculus and combinatory logic ##
-* [[!wikipedia Lambda calculus]]<p>
+* [[!wikipedia Lambda calculus]]
+* [Chris Barker's Lambda Tutorial](http://homepages.nyu.edu/~cb125/Lambda)<p>
+
* [[!wikipedia Haskell Curry]]
* [[!wikipedia Moses Schönfinkel]]
* [[!wikipedia Alonzo Church]]<p>