diff --git a/Changes b/Changes
index f88bac6..dd7d4bd 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,7 @@
-0.39 2019-11-13
+0.39 2019-11-29
         - Added Talismane support.
         - Added "distributor" field to I5 metadata.
+        - Added DGD link field to I5 metadata.
 
 0.38 2019-05-22
         - Stop file processing when base tokenization
diff --git a/lib/KorAP/XML/Meta/I5.pm b/lib/KorAP/XML/Meta/I5.pm
index 6bd839a..c82fef8 100644
--- a/lib/KorAP/XML/Meta/I5.pm
+++ b/lib/KorAP/XML/Meta/I5.pm
@@ -1,7 +1,9 @@
 package KorAP::XML::Meta::I5;
 use KorAP::XML::Meta::Base;
+use Mojo::Util qw/url_escape/;
 
 our $SIGLE_RE = qr/^([^_\/]+)(?:[_\/]([^\._\/]+?)(?:\.(.+?))?)?$/;
+our $KORAP_LINK_PREF = 'data:application/x.korap-link;';
 
 # STRING:
 #   "pubPlace",
@@ -355,9 +357,9 @@
         $ref_text =~ s!$REF_RE!!;
         $self->{A_reference} = $ref_text;
 
-      # In case of Wikipedia texts, take the URL
+        # In case of Wikipedia texts, take the URL
         if ($ref_text =~ /URL:(http:.+?):\s+Wikipedia,\s+\d+\s*$/) {
-          $self->{A_externalLink} = 'data:application/x.korap-link;title=Wikipedia,' . $1;
+          $self->{A_externalLink} = $KORAP_LINK_PREF . 'title=Wikipedia,' . $1;
         };
       };
     };
@@ -373,6 +375,15 @@
         $self->{A_src_pages} = $1 . '-' . $2;
       };
     };
+
+    # DGD treatment
+    if ($self->{T_title} && !$self->{A_externalLink} && $self->{_corpus_sigle} eq 'AGD') {
+      my $transcript = $self->{T_title};
+      $transcript =~ s/_DF_\d+$//i;
+      $self->{A_externalLink} = $KORAP_LINK_PREF . 'title=DGD,' .
+        'https://dgd.ids-mannheim.de/DGD2Web/ExternalAccessServlet?command=displayData&id=' .
+        url_escape($transcript);
+    }
   };
 
   return 1;
diff --git a/t/real/agd.t b/t/real/agd.t
index 37029ae..1e87bfe 100644
--- a/t/real/agd.t
+++ b/t/real/agd.t
@@ -37,8 +37,9 @@
 is($meta->{T_title}, 'FOLK_E_00321_SE_01_T_01_DF_01', 'Title');
 is($meta->{D_creation_date}, '20181112', 'Title');
 
-# TODO:
-#   Add source as asset!
+is($meta->{A_externalLink}, 'data:application/x.korap-link;title=DGD,'.
+     'https://dgd.ids-mannheim.de/DGD2Web/ExternalAccessServlet?command=displayData'.
+     '&id=FOLK_E_00321_SE_01_T_01', 'External link');
 
 # Tokenization
 use_ok('KorAP::XML::Tokenizer');