Add missing source links.
diff --git a/Doc/library/__future__.rst b/Doc/library/__future__.rst
index 3c42393..1e07f20 100644
--- a/Doc/library/__future__.rst
+++ b/Doc/library/__future__.rst
@@ -4,6 +4,9 @@
.. module:: __future__
:synopsis: Future statement definitions
+**Source code:** :source:`Lib/__future__.py`
+
+--------------
:mod:`__future__` is a real module, and serves three purposes:
diff --git a/Doc/library/_dummy_thread.rst b/Doc/library/_dummy_thread.rst
index 62e5708..83aec12 100644
--- a/Doc/library/_dummy_thread.rst
+++ b/Doc/library/_dummy_thread.rst
@@ -4,6 +4,9 @@
.. module:: _dummy_thread
:synopsis: Drop-in replacement for the _thread module.
+**Source code:** :source:`Lib/_dummy_thread.py`
+
+--------------
This module provides a duplicate interface to the :mod:`_thread` module. It is
meant to be imported when the :mod:`_thread` module is not provided on a
diff --git a/Doc/library/xml.dom.minidom.rst b/Doc/library/xml.dom.minidom.rst
index 4fb4025..070967b 100644
--- a/Doc/library/xml.dom.minidom.rst
+++ b/Doc/library/xml.dom.minidom.rst
@@ -7,6 +7,9 @@
.. sectionauthor:: Paul Prescod <paul@prescod.net>
.. sectionauthor:: Martin v. Löwis <martin@v.loewis.de>
+**Source code:** :source:`Lib/xml/dom/minidom.py`
+
+--------------
:mod:`xml.dom.minidom` is a light-weight implementation of the Document Object
Model interface. It is intended to be simpler than the full DOM and also
diff --git a/Doc/library/xml.dom.pulldom.rst b/Doc/library/xml.dom.pulldom.rst
index 1893fba..4a5ef4c 100644
--- a/Doc/library/xml.dom.pulldom.rst
+++ b/Doc/library/xml.dom.pulldom.rst
@@ -5,6 +5,9 @@
:synopsis: Support for building partial DOM trees from SAX events.
.. moduleauthor:: Paul Prescod <paul@prescod.net>
+**Source code:** :source:`Lib/xml/dom/pulldom.py`
+
+--------------
:mod:`xml.dom.pulldom` allows building only selected portions of a Document
Object Model representation of a document from SAX events.
diff --git a/Doc/library/xml.etree.elementtree.rst b/Doc/library/xml.etree.elementtree.rst
index 71614c0..18c35aa 100644
--- a/Doc/library/xml.etree.elementtree.rst
+++ b/Doc/library/xml.etree.elementtree.rst
@@ -5,6 +5,9 @@
:synopsis: Implementation of the ElementTree API.
.. moduleauthor:: Fredrik Lundh <fredrik@pythonware.com>
+**Source code:** :source:`Lib/xml/etree/ElementTree.py`
+
+--------------
The :class:`Element` type is a flexible container object, designed to store
hierarchical data structures in memory. The type can be described as a cross
diff --git a/Doc/library/xmlrpc.client.rst b/Doc/library/xmlrpc.client.rst
index d25cbaf..a62021d 100644
--- a/Doc/library/xmlrpc.client.rst
+++ b/Doc/library/xmlrpc.client.rst
@@ -10,6 +10,10 @@
.. XXX Not everything is documented yet. It might be good to describe
Marshaller, Unmarshaller, getparser, dumps, loads, and Transport.
+**Source code:** :source:`Lib/xmlrpc/client.py`
+
+--------------
+
XML-RPC is a Remote Procedure Call method that uses XML passed via HTTP as a
transport. With it, a client can call methods with parameters on a remote
server (the server is named by a URI) and get back structured data. This module
diff --git a/Doc/library/xmlrpc.server.rst b/Doc/library/xmlrpc.server.rst
index 3cb2c3a..67feba6 100644
--- a/Doc/library/xmlrpc.server.rst
+++ b/Doc/library/xmlrpc.server.rst
@@ -6,6 +6,9 @@
.. moduleauthor:: Brian Quinlan <brianq@activestate.com>
.. sectionauthor:: Fred L. Drake, Jr. <fdrake@acm.org>
+**Source code:** :source:`Lib/xmlrpc/server.py`
+
+--------------
The :mod:`xmlrpc.server` module provides a basic server framework for XML-RPC
servers written in Python. Servers can either be free standing, using