Update README.md

README.md

@@ -5,3 +5,9 @@ This repository contains machine learning models implemented in
 respective authors.
 
 To propose a model for inclusion please submit a pull request.
+
+## TensorFlow Models hosted elsewhere
+
+You may also look at this [list of external models](https://github.com/tensorflow/models/wiki). 
+
+Anyone may post links to models to that publicly editable wiki page. Those models are not part of the TensorFlow repository and may be subject to different terms.