diff --git a/homomorphic_encryption/README.md b/homomorphic_encryption/README.md
index bb4f92c..2748360 100644
--- a/homomorphic_encryption/README.md
+++ b/homomorphic_encryption/README.md
@@ -2,8 +2,13 @@
 
 <br>
 
-### cool readings
+### cool resources
 
 <br>
 
-* **[combining machine learning and homomorphic encryption in the apple ecosystem](https://machinelearning.apple.com/research/homomorphic-encryption)**
+##### learning
+
+* **[a fully homomorphic encryption scheme, by c. gentry (2009)](https://crypto.stanford.edu/craig/craig-thesis.pdf)**
+
+##### applications
+* **[combining machine learning and homomorphic encryption in the apple ecosystem (2024)](https://machinelearning.apple.com/research/homomorphic-encryption)**