Provide links to Python source where the code is short, readable and
informative adjunct to the docs.  Forward-port of Raymond's r86225 and
r86245 using the new source reST role added in #10334.
diff --git a/Doc/library/queue.rst b/Doc/library/queue.rst
index 0ee920b..424998e 100644
--- a/Doc/library/queue.rst
+++ b/Doc/library/queue.rst
@@ -19,6 +19,11 @@
 the entries are kept sorted (using the :mod:`heapq` module) and the
 lowest valued entry is retrieved first.
 
+.. seealso::
+
+   Latest version of the :source:`queue module Python source code
+   <Lib/queue.py>`
+
 The :mod:`queue` module defines the following classes and exceptions:
 
 .. class:: Queue(maxsize=0)