diff --git a/README.md b/README.md
index 828596f..f963661 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,10 @@ https://www.schoolofhaskell.com/user/griba/easier_lenses_profunctor_based_with_m
 
 https://www.schoolofhaskell.com/user/liyang/profunctors
 
+https://bartoszmilewski.com/2015/07/13/from-lenses-to-yoneda-embedding/
+
+https://github.com/hablapps/DontFearTheProfunctorOptics
+
 https://twanvl.nl/blog/haskell/isomorphism-lenses
 
 https://blog.jez.io/lens-intuition/