diff --git a/src/forth.gmo b/src/forth.gmo
index 7f37e9c..b6983f3 100644
--- a/src/forth.gmo
+++ b/src/forth.gmo
@@ -12,6 +12,11 @@ this book has a great pace and nice illustrations
 
 => https://www.forth.com/starting-forth starting forth book
 
+## tutorials
+
+=> http://www.softsynth.com/pforth/pf_tut.php pForth - portable Forth in 'C'
+=> http://www.murphywong.net/hello/simple.htm Simple Forth
+
 ## articles
 
 => https://patorjk.com/programming/articles/forththoughts.htm Introduction to Thoughtful Programming and the Forth Philosophy By Michael Misamore