diff --git a/Manuals/Tcpi-ug/Administration.ent b/Manuals/Tcpi-ug/Administration.ent
new file mode 100644
index 0000000..8feac9d
--- /dev/null
+++ b/Manuals/Tcpi-ug/Administration.ent
@@ -0,0 +1,2 @@
+<!ENTITY administration SYSTEM "Administration.docbook">
+<!ENTITY administration-mail SYSTEM "Administration/Mail.docbook">