From 6621c59f7f1ed332d677de28513e403d34390ab0 Mon Sep 17 00:00:00 2001
From: Phil Nguyen <pnguyen@ccs.neu.edu>
Date: Sun, 27 Oct 2013 13:16:14 -0400
Subject: [PATCH] add SF, CPDT, and Agda tutorial

---
 free-programming-books.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/free-programming-books.md b/free-programming-books.md
index 75c30c6b..0113d9a4 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -22,6 +22,7 @@
     * [MOOC](#mooc)
     * [Professional Development](#professional-development)
 * [Ada](#ada)
+* [Agda](#agda)
 * [Android](#android)
 * [APL](#apl)
 * [Autotools](#autotools)
@@ -33,6 +34,7 @@
 * [Clojure](#clojure)
 * [CoffeeScript](#coffeescript)
 * [ColdFusion](#coldfusion)
+* [Coq](#coq)
 * [D](#d)
 * [Dart](#dart)
 * [DTrace](#dtrace)
@@ -348,6 +350,10 @@
 * [Ada for Software Engineers](http://pnyf.inf.elte.hu/kto/oktatas/ada/books/ase.pdf) (PDF)
 
 
+###Agda
+* [Agda](https://people.inf.elte.hu/divip/AgdaTutorial/Index.html)
+
+
 ###Android
 * [Google Android Developer Training](https://developer.android.com/training/index.html)
 * [Coreservlets Android Programming Tutorial](http://www.coreservlets.com/android-tutorial/)
@@ -438,6 +444,11 @@
 * [Learn CF in a Week](http://learncfinaweek.com/)
 
 
+###Coq
+* [Software Foundations](http://www.cis.upenn.edu/~bcpierce/sf/)
+* [Certified Programming with Dependent Types](http://adam.chlipala.net/cpdt/html/toc.html)
+
+
 ###D
 * [Programming in D](http://ddili.org/ders/d.en/)
 
-- 
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