diff --git a/README.md b/README.md
index 897ec75..785f46a 100644
--- a/README.md
+++ b/README.md
@@ -88,3 +88,8 @@ make marimo
 ```
 
 will install and start marimo.
+
+## previous work
+
+In the [repo](https://github.com/phschiele/PyCLA) by Philipp Schiele.
+