diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d67924d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "bibliotheca"]
+	path = bibliotheca
+	url = git@gitlab.science.ru.nl:edeboone/m-thesis-bibliotheca.git
diff --git a/README.md b/README.md
index dbed735..be8386b 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-# Master Internship Outreach
+# Master Internship Documentation
 
 Presentations, documents, etc. related to my Master's Internship at HEP.
diff --git a/bibliotheca b/bibliotheca
new file mode 160000
index 0000000..28ccd1c
--- /dev/null
+++ b/bibliotheca
@@ -0,0 +1 @@
+Subproject commit 28ccd1cc099d152851b3c8527392344d471f0892
diff --git a/figures/.gitignore b/figures/.gitignore
new file mode 100644
index 0000000..927a521
--- /dev/null
+++ b/figures/.gitignore
@@ -0,0 +1,2 @@
+# Do not ignore pdf in this directory
+!*.pdf
diff --git a/figures/README.md b/figures/README.md
new file mode 100644
index 0000000..85a7528
--- /dev/null
+++ b/figures/README.md
@@ -0,0 +1,7 @@
+# Figures
+
+Storage for common figures.
+It's better to put figures here, than to separately copy them over
+when you need it in multiple documents.
+
+Also, categories seem to be useful.