diff --git a/recensio/altertum/browser/configure.zcml b/recensio/altertum/browser/configure.zcml
index ef18544..4f354ae 100644
--- a/recensio/altertum/browser/configure.zcml
+++ b/recensio/altertum/browser/configure.zcml
@@ -46,4 +46,12 @@
       layer="recensio.altertum.interfaces.IAltertumLayer"
       />
 
+  <browser:page
+      name="vocabulary-helper"
+      for="*"
+      class=".views.AltertumVocabularyHelper"
+      permission="zope2.View"
+      layer="recensio.altertum.interfaces.IAltertumLayer"
+      />
+
 </configure>
diff --git a/recensio/altertum/browser/views.py b/recensio/altertum/browser/views.py
index 20b0808..e34b8ca 100644
--- a/recensio/altertum/browser/views.py
+++ b/recensio/altertum/browser/views.py
@@ -1,3 +1,4 @@
+from recensio.plone.browser.helper import VocabularyHelper
 from recensio.plone.browser.homepage import HomepageView
 from recensio.plone.browser.pdfgen import GeneratePdfRecension
 
@@ -12,3 +13,8 @@ class AltertumHomepageView(HomepageView):
 
     resource_directory = "++resource++recensio.altertum.images"
     review_languages = [""]
+
+class AltertumVocabularyHelper(VocabularyHelper):
+    @property
+    def ddcSubject(self):
+        return self.get_named_vocabulary("recensio.altertum.vocabularies.topic_values")
diff --git a/recensio/altertum/configure.zcml b/recensio/altertum/configure.zcml
index 0c98d1e..7c82356 100644
--- a/recensio/altertum/configure.zcml
+++ b/recensio/altertum/configure.zcml
@@ -4,7 +4,14 @@
     i18n_domain="recensio.altertum"
     >
 
+  <include
+      package="collective.vdexvocabulary"
+      file="meta.zcml"
+      />
+  <include package="collective.vdexvocabulary" />
+
   <include package=".browser" />
+  <include package=".vocabularies" />
   <include file="profiles.zcml" />
 
   <include package="recensio.plone" />"
diff --git a/recensio/altertum/vocabularies/configure.zcml b/recensio/altertum/vocabularies/configure.zcml
new file mode 100644
index 0000000..e5a1338
--- /dev/null
+++ b/recensio/altertum/vocabularies/configure.zcml
@@ -0,0 +1,8 @@
+<configure
+    xmlns="http://namespaces.zope.org/zope"
+    xmlns:vdex="http://namespaces.zope.org/vdex"
+    >
+
+  <vdex:treevocabulary directory="vdex/" />
+
+</configure>
diff --git a/vocabularies/ddc_sach.vdex b/recensio/altertum/vocabularies/vdex/ddc_sach.vdex
similarity index 96%
rename from vocabularies/ddc_sach.vdex
rename to recensio/altertum/vocabularies/vdex/ddc_sach.vdex
index 5bac02c..387caa7 100644
--- a/vocabularies/ddc_sach.vdex
+++ b/recensio/altertum/vocabularies/vdex/ddc_sach.vdex
@@ -11,7 +11,7 @@
   <vocabName>
     <langstring language="en">International Standard Classification of Occupations, ISCO-88</langstring>
   </vocabName>
-  <vocabIdentifier>ISCO88</vocabIdentifier>
+  <vocabIdentifier>recensio.altertum.vocabularies.topic_values</vocabIdentifier>
 <term>
 <termIdentifier>1001</termIdentifier>
 <caption>