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/collections.rst b/Doc/library/collections.rst
index 439e3bf..e34e394 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -31,6 +31,11 @@
ABCs (abstract base classes) that can be used to test whether a class provides a
particular interface, for example, whether it is hashable or a mapping.
+.. seealso::
+
+ Latest version of the :source:`collections module Python source code
+ <Lib/collections.py>`
+
:class:`Counter` objects
------------------------
@@ -1059,6 +1064,9 @@
.. seealso::
+ * Latest version of the :source:`Python source code for the collections
+ abstract base classes <Lib/_abcoll.py>`
+
* `OrderedSet recipe <http://code.activestate.com/recipes/576694/>`_ for an
example built on :class:`MutableSet`.