diff --git a/articles/c.md b/articles/c.md
index 9617aa6..c341a28 100644
--- a/articles/c.md
+++ b/articles/c.md
@@ -95,6 +95,7 @@ main(int argc, char **argv)
 
 ## Resources
 - *The C Programming Language* by Brian Kernighan and Dennis Ritchie, covers the ANSI C version.
+- [*The Development of the C Language*](http://9p.io/cm/cs/who/dmr/chist.html) by Dennis Ritchie.
 
 ## See also
 - [C tutorial](c_tutorial.md)