diff --git a/combinatory_logic/README.md b/combinatory_logic/README.md
new file mode 100644
index 0000000..b866a3d
--- /dev/null
+++ b/combinatory_logic/README.md
@@ -0,0 +1,3 @@
+#Combinatory Logic
+
+* [Flattening Combinators: Surviving Without Parentheses](http://www.westpoint.edu/eecs/SiteAssets/SitePages/Faculty%20Publication%20Documents/Okasaki/jfp03flat.pdf) by Chris Okasaki
\ No newline at end of file