diff --git a/README.md b/README.md
index a857f1e..e7bc6bb 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,8 @@
  * [ZVTM](http://zvtm.sourceforge.net/)
  * [Archy](https://en.wikipedia.org/wiki/Archy_(software))
  * [ZOOMABLE USER INTERFACES IN SCALABLE VECTOR GRAPHICS ](./doc/SvgOpen2007.pdf)
+ * [NeWS](https://en.wikipedia.org/wiki/NeWS)
+
+### Text encoding
+  * [TEI](https://en.wikipedia.org/wiki/Text_Encoding_Initiative)
+  * [XHTML Basic](http://www.w3.org/TR/xhtml-basic)