diff --git a/data/aepinus_bekentnis_1548/mets.xml b/data/aepinus_bekentnis_1548/mets.xml
index 64d08c3..6020032 100644
--- a/data/aepinus_bekentnis_1548/mets.xml
+++ b/data/aepinus_bekentnis_1548/mets.xml
@@ -1,12 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <mets:mets xmlns:xlink="http://www.w3.org/1999/xlink"
-           xmlns:DC="http://purl.org/dc/elements/1.1/"
-           xmlns:mods="http://www.loc.gov/mods/v3"
-           xmlns:mets="http://www.loc.gov/METS/"
-           xmlns:DV="http://dfg-viewer.de/"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-           xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
-           xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
+   xmlns:DC="http://purl.org/dc/elements/1.1/"
+   xmlns:mods="http://www.loc.gov/mods/v3"
+   xmlns:mets="http://www.loc.gov/METS/"
+   xmlns:DV="http://dfg-viewer.de/"
+   xmlns:gt="http://www.ocr-d.de/GT/"
+   xmlns:pre="http://www.loc.gov/premis/v3"
+   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+   xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+   xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
    <mets:metsHdr CREATEDATE="2018-05-17T16:11:39.799+02:00">
       <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
          <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical Character Recognition (OCR-D)</mets:name>
@@ -215,5 +217,6 @@
       <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0001"/>
       <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0002"/>
       <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0003"/>
+      <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0004"/>
    </mets:structLink>
 </mets:mets>
diff --git a/data/alberti_pictura_1540/mets.xml b/data/alberti_pictura_1540/mets.xml
index 9ecb3dd..ec50810 100644
--- a/data/alberti_pictura_1540/mets.xml
+++ b/data/alberti_pictura_1540/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:36:55.457289">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -237,8 +237,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0008" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0008"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0008"/>
@@ -259,4 +267,11 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0008"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0009"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0007"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/aventinus_grammatica_1515/mets.xml b/data/aventinus_grammatica_1515/mets.xml
index b293502..75cf40b 100644
--- a/data/aventinus_grammatica_1515/mets.xml
+++ b/data/aventinus_grammatica_1515/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:36:56.761978">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
     <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -231,8 +231,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0008" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0008"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0008"/>
@@ -253,4 +261,11 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0008"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0007"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0006"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/ballenstedt_delatio_1777/mets.xml b/data/ballenstedt_delatio_1777/mets.xml
index 8e5fad8..87acee3 100644
--- a/data/ballenstedt_delatio_1777/mets.xml
+++ b/data/ballenstedt_delatio_1777/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:36:57.411460">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -231,8 +231,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_00005" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_00005"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_00005"/>
@@ -253,4 +261,11 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00005"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00003"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00010"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/heyden_paedono_1548/mets.xml b/data/heyden_paedono_1548/mets.xml
index 9d90138..c149eb9 100644
--- a/data/heyden_paedono_1548/mets.xml
+++ b/data/heyden_paedono_1548/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:37:07.230817">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -237,8 +237,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0013" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0013"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0013"/>
@@ -259,4 +267,11 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0013"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0007"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0014"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/kistler_kraeuter_1500/mets.xml b/data/kistler_kraeuter_1500/mets.xml
index 1d4adfb..8d3d870 100644
--- a/data/kistler_kraeuter_1500/mets.xml
+++ b/data/kistler_kraeuter_1500/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:37:09.854362">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -187,8 +187,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0007" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0007"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0007"/>
@@ -203,4 +211,10 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0007"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0021"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/luther_auszlegunge_1520/mets.xml b/data/luther_auszlegunge_1520/mets.xml
index 60fae89..c836316 100644
--- a/data/luther_auszlegunge_1520/mets.xml
+++ b/data/luther_auszlegunge_1520/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:37:11.149206">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -232,8 +232,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0003" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0003"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0003"/>
@@ -248,4 +256,10 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0003"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0029"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/nn_besuch_1780/mets.xml b/data/nn_besuch_1780/mets.xml
index 5d5af07..a1196a2 100644
--- a/data/nn_besuch_1780/mets.xml
+++ b/data/nn_besuch_1780/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:15:28.000226">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -237,8 +237,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_00001" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_00001"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_00001"/>
@@ -265,4 +273,12 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00001"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00003"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00004"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_00002"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/nn_historia_1500/mets.xml b/data/nn_historia_1500/mets.xml
index 6dccaf7..d2ea4c3 100644
--- a/data/nn_historia_1500/mets.xml
+++ b/data/nn_historia_1500/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:15:29.304834">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -199,8 +199,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0009" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0009"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0009"/>
@@ -215,4 +223,10 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0009"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0007"/>
+  </mets:structLink>
 </mets:mets>
diff --git a/data/petrarca_psalmi_1506/mets.xml b/data/petrarca_psalmi_1506/mets.xml
index 8a098dd..571b099 100644
--- a/data/petrarca_psalmi_1506/mets.xml
+++ b/data/petrarca_psalmi_1506/mets.xml
@@ -4,11 +4,11 @@
   xmlns:mods="http://www.loc.gov/mods/v3"
   xmlns:mets="http://www.loc.gov/METS/"
   xmlns:DV="http://dfg-viewer.de/"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
   xmlns:gt="http://www.ocr-d.de/GT/"
   xmlns:pre="http://www.loc.gov/premis/v3"
-  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd http://www.loc.gov/standards/premis/premis.xsd">
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
+  xsi:schemaLocation="http://www.loc.gov/mods/v3 https://www.loc.gov/standards/mods/mods-3-7.xsd http://www.loc.gov/mets/ http://www.loc.gov/standards/mets/version111/mets.xsd">
   <mets:metsHdr CREATEDATE="2019-11-25T16:15:36.515656">
     <mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
       <mets:name>DFG-Koordinierungsprojekt zur Weiterentwicklung von Verfahren der Optical
@@ -268,8 +268,16 @@
       </mets:file>
     </mets:fileGrp>
   </mets:fileSec>
+  <mets:structMap TYPE="LOGICAL">
+    <mets:div TYPE="Monograph"
+      DMDID="DMDLOG_0000"
+      ADMID="amdSec_0001"
+      ID="loc_0001">
+      <mets:div ID="loc_d1e9" TYPE="Chapter" LABEL=""/>
+    </mets:div>
+  </mets:structMap>
   <mets:structMap TYPE="PHYSICAL">
-    <mets:div TYPE="physSequence">
+    <mets:div TYPE="physSequence" ID="phys_0000">
       <mets:div TYPE="page" ID="phys_0012" DMDID="DMDGT_0001">
         <mets:fptr FILEID="OCR-D-IMG_0012"/>
         <mets:fptr FILEID="OCR-D-GT-SEG-PAGE_0012"/>
@@ -290,4 +298,11 @@
       </mets:div>
     </mets:div>
   </mets:structMap>
+  <mets:structLink>
+    <mets:smLink xlink:from="loc_0001" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0000"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0012"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0016"/>
+    <mets:smLink xlink:from="loc_d1e9" xlink:to="phys_0010"/>
+  </mets:structLink>
 </mets:mets>