diff --git a/_topic_map.yml b/_topic_map.yml
index 5d35a8eb7d69..935f2b21ab17 100644
--- a/_topic_map.yml
+++ b/_topic_map.yml
@@ -21,6 +21,17 @@
 # The ordering of the records in this document determines the ordering of the
 # topic groups and topics on the main page.
 
+---
+Name: Test
+Dir: refs
+Topics:
+- Name: a
+  File: a
+- Name: two
+  Dir: two
+  Topics:
+  - Name: b
+    File: b
 ---
 Name: About
 Dir: welcome
diff --git a/modules/ref.adoc b/modules/ref.adoc
new file mode 100644
index 000000000000..fe72ddb53fa4
--- /dev/null
+++ b/modules/ref.adoc
@@ -0,0 +1,5 @@
+= Another module
+
+With content.
+
+* xref:../a.adoc#hello[Try]
diff --git a/modules/refme.adoc b/modules/refme.adoc
new file mode 100644
index 000000000000..3ab9cbd58c3e
--- /dev/null
+++ b/modules/refme.adoc
@@ -0,0 +1,4 @@
+[id="hello"]
+= A module link target
+
+With content.
diff --git a/refs/a.adoc b/refs/a.adoc
new file mode 100644
index 000000000000..7313f96ee0c4
--- /dev/null
+++ b/refs/a.adoc
@@ -0,0 +1,4 @@
+= A
+
+include::modules/ref.adoc[leveloffset=+1]
+include::modules/refme.adoc[leveloffset=+1]
diff --git a/refs/two/b.adoc b/refs/two/b.adoc
new file mode 100644
index 000000000000..6b899186b6df
--- /dev/null
+++ b/refs/two/b.adoc
@@ -0,0 +1,4 @@
+= B
+
+include::modules/ref.adoc[leveloffset=+1]
+include::modules/refme.adoc[leveloffset=+1]