diff --git a/text/appendixa.troff b/text/appendixa.troff
new file mode 100644
index 0000000..6934226
--- /dev/null
+++ b/text/appendixa.troff
@@ -0,0 +1,64 @@
+.NH 2
+Anhang A - Klassendiagramme
+.NH 3
+Datenverwaltung
+.LP
+.TS
+box center;
+cfBI
+-
+l
+l
+-
+l.
+DataObject
++ displayName: String
++ uid: String
+# DataObject(uid: String, displayName: String)
+.TE
+.TS
+box center;
+cb
+-
+l
+-
+l.
+Module
++ sws: int
++ Module(uid: String, displayName: String, sws: int)
+.TE
+.TS
+box center;
+cb
+-
+l
+l
+-
+l.
+Person
++ name: String
++ lastName: String
++ Person(uid: String, name: String, lastName: String)
+.TE
+.TS
+box center;
+cb
+-
+l
+-
+l.
+Room
++ size: int
++ Room(uid: String, displayName: String, size: int)
+.TE
+.TS
+box center;
+cb
+-
+l
+-
+l.
+Student
++ studentNumber: String
++ Student(uid: String, name: String, lastName: String, studentNumber: String)
+.TE
diff --git a/text/thesis.troff b/text/thesis.troff
index aeb31e7..7402a94 100644
--- a/text/thesis.troff
+++ b/text/thesis.troff
@@ -7,3 +7,5 @@
 .so toc.troff
 .bp
 .so content.troff
+.bp
+.so appendixa.troff