diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..800f984
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "content/en_uag"]
+	path = content/en_uag
+	url = https://git.door43.org/unfoldingword/en_uag.git
+	branch = master
diff --git a/content/conf.py b/content/conf.py
index 57cbd94..d8806ec 100644
--- a/content/conf.py
+++ b/content/conf.py
@@ -27,7 +27,8 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = []
+extensions = ['sphinx.ext.intersphinx',]
+intersphinx_mapping = {'sphinx': ('https://uag.readthedocs.io/en/latest/', None)}
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
diff --git a/content/en_uag b/content/en_uag
new file mode 160000
index 0000000..c95e758
--- /dev/null
+++ b/content/en_uag
@@ -0,0 +1 @@
+Subproject commit c95e758c0f9a9bd11b94b436e9a94895ba73c3d7