X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=offsite_reading.mdwn;h=a1e26cad3067a909eddb97f02fb12305f80a299b;hp=db538fa2f1e943e7ab5dcc14f094702c7e3de506;hb=764cf922472ec8e00bc4f31c47ad0fdb1ea5fe6a;hpb=4afd53161bf6968e78fef04e792c3d32018c3544

diff --git a/offsite_reading.mdwn b/offsite_reading.mdwn
index db538fa2..a1e26cad 100644
--- a/offsite_reading.mdwn
+++ b/offsite_reading.mdwn
@@ -117,6 +117,7 @@ community. ([Libraries for R6RS](http://www.r6rs.org/final/html/r6rs-lib/r6rs-li
 
 *	[[!wikipedia Tagged union]]
 *	[[!wikipedia Algebraic data type]]
+*	[[!wikipedia Recursive data type]]
 *	[[!wikipedia Pattern matching]]
 *	[[!wikipedia Unit type]]
 *	[[!wikipedia Bottom type]]
@@ -125,7 +126,8 @@ community. ([Libraries for R6RS](http://www.r6rs.org/final/html/r6rs-lib/r6rs-li
 *	[Type Theory](http://plato.stanford.edu/entries/type-theory/) at the Stanford Encyclopedia of Philosophy
 *	[Church's Type Theory](http://plato.stanford.edu/entries/type-theory-church/) at the Stanford Encyclopedia of Philosophy
 *	The [[!wikipedia Curry-Howard isomorphism]]
-*	[The Curry-Howard correspondence in Haskell](http://www.thenewsh.com/~newsham/formal/curryhoward/)<p>
+*	[The Curry-Howard correspondence in Haskell](http://www.thenewsh.com/~newsham/formal/curryhoward/)
+*	[The Curry-Howard Isomorphism](http://en.wikibooks.org/wiki/Haskell/The_Curry-Howard_isomorphism) at Haskell wiki<p>
 *	[[!wikipedia Type polymorphism]]
 *	[[!wikipedia System F]]