diff --git a/iterators.html b/iterators.html
index 73cc60b..5a3e4e5 100755
--- a/iterators.html
+++ b/iterators.html
@@ -378,6 +378,7 @@ rules = LazyRules()</code></pre>
 
 <h2 id=furtherreading>Further Reading</h2>
 <ul>
+<li><a href=http://docs.python.org/3.1/library/stdtypes.html#iterator-types>Iterator types</a>
 <li><a href=http://www.python.org/dev/peps/pep-0234/>PEP 234: Iterators</a>
 <li><a href=http://www.python.org/dev/peps/pep-0255/>PEP 255: Simple Generators</a>
 <li><a href=http://www.dabeaz.com/generators/>Generator Tricks for Systems Programmers</a>