diff --git a/README.md b/README.md
index c602db55fd8a9c7ce3a814a5bb0aa2d48db46ae0..d111fbc4c8b5cbef6eda296c5dda90c80a8d1408 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,12 @@ Additionally it provides function to save data into the TextGrid-Repository
 
 Publizierfähige (Bild)-Daten und Metadaten werden von ConedaKor in das TextGrid Repository (OwnStorage) eingespielt, um dann per TextGrid OAI-PMH (MetadataFormat **oai_idiom_mets** aus Projekt „idiom“ <https://dev.textgridlab.org/1.0/tgoaipmh/oai?verb=ListRecords&metadataPrefix=oai_idiom_mets>) in die Visual Library der Uni Bonn übernehmen zu können.
 
+(vorläufige) Beispiel-Links zur VL:
+
+* <https://maya.test.vls.io>
+* <https://maya.test.vls.io/content/titleinfo/55267>
+
+
 #### Workflow
 
 * Bilder mit Metadaten werden in einer ConedaKOR-Instanz gehostet und publiziert <https://classicmayan.kor.de.dariah.eu>.
@@ -43,7 +49,9 @@ New ready-to-go images from ConedaKor shall be published in the TextGrid Reposit
         * **update** updates all the files modified since the above date (gets 500 objects at a time, please repeat if you want to update more),
         * **importNew** only imports all new files since the aboce date (imports 500 new objects at a time, please repeat if you want to import more), and
         * **importAll** imports all the applicable data from ConedaCOR in a new collection with name “ConedaKorMediumMetadata“ (not really needed at the moment), including all the subcollections to be created (importa all the items, no need for repeating anything).
+        * **checkAll** looks up every ConedaKOR ID in TextGrid titles and/or notes tags, and outputs a list of KOR IDs missing in TextGrid.
     * Try starting the main class using **dryRun=true** to see, what would happen, start main class using **dryRun=false** to make it happen!
+    * Test for newly imported objects in OAI-PMH (please set **from** and **to** values correctly): <https://textgridlab.org/1.0/tgoaipmh/oai?verb=ListRecords&metadataPrefix=oai_idiom_mets&from=2022-12-01&until=2022-12-06>
 
 ### Useful queries
 
@@ -66,7 +74,7 @@ New ready-to-go images from ConedaKor shall be published in the TextGrid Reposit
     * <https://classicmayan.kor.de.dariah.eu/entities.json?kind_id=1&updated_after=2022-05-01&include=technical,dataset>
     * <https://classicmayan.kor.de.dariah.eu/entities.json?kind_id=1&created_after=&created_before=&per_page=&page=&include=technical,dataset>
     * <https://classicmayan.kor.de.dariah.eu/entities.json?kind_id=1&created_before=2022-03-18&updated_after=2022-03-18&include=technical,dataset>
-
+    * <https://classicmayan.kor.de.dariah.eu/entities.json?kind_id=1&id=27662&include=technical,dataset>
 
 ## Releasing a new version
 
diff --git a/src/main/java/org/classicmayan/tools/ConedaKor2TextGridRep.java b/src/main/java/org/classicmayan/tools/ConedaKor2TextGridRep.java
index 472b5d1e28dcae7ecdfb955a1f5f76b59d780752..a55982d044fc47b05400810fd6ab3b171c7236ee 100644
--- a/src/main/java/org/classicmayan/tools/ConedaKor2TextGridRep.java
+++ b/src/main/java/org/classicmayan/tools/ConedaKor2TextGridRep.java
@@ -1,5 +1,5 @@
 /**
- * This software is copyright (c) 2022 by
+ * This software is copyright (c) 2023 by
  * 
  * Göttingen State and University Library
  *
@@ -18,6 +18,7 @@ package org.classicmayan.tools;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -101,6 +102,14 @@ public class ConedaKor2TextGridRep {
       main.importAll();
     }
 
+    /*
+     * CHECK ALL KOR IDS IN TEXTGRIDLAB
+     */
+
+    else if (main.itgo.getScope().equals(IdiomConstants.SCOPE_CHECK_ALL)) {
+      main.checkAll();
+    }
+
     /*
      * UPDATE OF MODIFIED CONEDAKOR OBJECTS EXISTING IN TEXTGRIDREP
      */
@@ -265,6 +274,69 @@ public class ConedaKor2TextGridRep {
         + MEDIUM_METADATA_COLLECTION_NAME + "' and " + subcols.size() + " objects");
   }
 
+  /**
+   * <p>
+   * CHECKS ALL image object metadata from ConedaKOR if already existing in TextGridLab.
+   * </p>
+   * 
+   * @throws IOException
+   * @throws JSONException
+   * @throws InterruptedException
+   * @throws CrudClientException
+   */
+  public void checkAll()
+      throws JSONException, IOException, InterruptedException, CrudClientException {
+
+    System.out.println();
+    System.out.println("CHECK all ConedaKOR image objects in TG-rep");
+    System.out.println(LINES);
+
+    // Get list of all objects in ConedaKOR.
+    System.out.println("\tLooking for ALL images");
+    System.out.println("\tConedaKOR URL: " + ConedaKorQueries.KOR_URL);
+
+    // Check amount.
+    JSONObject testMediaList = ConedaKorQueries.getAllImageMetadata(10, 1);
+    int amount = testMediaList.getInt("total");
+    int pages = amount / OBJECTS_PER_PAGE;
+    // Add last page if existing.
+    int rest = amount - pages * OBJECTS_PER_PAGE;
+    if (rest > 0) {
+      pages++;
+    }
+
+    System.out.println();
+    System.out.println("\tFound " + amount + " entries delivered in " + pages + " pages!");
+
+    List<String> missingKorIDs = new ArrayList<String>();
+    // Loop!
+    for (int p = 25; p <= pages; p++) {
+
+      System.out.print("\tGetting next page " + p + " --> ");
+
+      int pagesToFetch = OBJECTS_PER_PAGE;
+      // Check if amount was set by hand...
+      if (p == pages) {
+        pagesToFetch = rest;
+      }
+      JSONArray newMediaList =
+          ConedaKorQueries.getAllImageMetadata(pagesToFetch, p).getJSONArray("records");
+
+      System.out.print("ID:" + newMediaList.getJSONObject(0).getInt("id") + "-ID:");
+      System.out.println(newMediaList.getJSONObject(newMediaList.length() - 1).getInt("id"));
+
+      // Check TextGrid objects.
+      missingKorIDs.addAll(checkForTextGridExistance(newMediaList, this.tgsearch));
+    }
+
+    // Sort list alphabetically.
+    Collections.sort(missingKorIDs);
+
+    System.out.println(
+        "\t" + missingKorIDs.size() + " KOR IDs are missing in TextGrid  (" + missingKorIDs.get(0)
+            + "-" + missingKorIDs.get(missingKorIDs.size() - 1) + "): " + missingKorIDs);
+  }
+
   /**
    * <p>
    * Get MODIFIED image metadata from ConedaKOR and update existing objects in TextGrid Repository.
@@ -563,6 +635,40 @@ public class ConedaKor2TextGridRep {
     return result;
   }
 
+  /**
+   * <p>
+   * Check for existence of the ConedaKOR objects in TextGridLab.
+   * </p>
+   * 
+   * @param newMetadata
+   * @throws IOException
+   * @throws CrudClientException
+   */
+  private static List<String> checkForTextGridExistance(JSONArray newMetadata,
+      TGSearchQueries tgsearchClient) {
+
+    List<String> result = new ArrayList<String>();
+
+    for (int i = 0; i < newMetadata.length(); i++) {
+      JSONObject jsonObjectMetadata = newMetadata.getJSONObject(i);
+      String korID = String.valueOf(jsonObjectMetadata.getInt("id"));
+
+      System.out.print("\t[" + (i + 1) + "] " + korID + " --> ");
+
+      // Check for KOR ID in TextGrid titles.
+      try {
+        String textgridURI = tgsearchClient.getTextGridURIfromKorID(korID);
+        System.out.println(textgridURI);
+      } catch (NotFoundException e) {
+        result.add(korID);
+
+        System.out.println("[ERROR] " + e.getMessage());
+      }
+    }
+
+    return result;
+  }
+
   /**
    * <p>
    * Create a new collection with resources from the given URI list and title.
diff --git a/src/main/java/org/classicmayan/tools/IdiomConstants.java b/src/main/java/org/classicmayan/tools/IdiomConstants.java
index 0179802fab1c90bb62e4b4cc452b866b7357d20e..566fe513f1383b474e757196362c21379f8a24ed 100644
--- a/src/main/java/org/classicmayan/tools/IdiomConstants.java
+++ b/src/main/java/org/classicmayan/tools/IdiomConstants.java
@@ -35,6 +35,7 @@ public final class IdiomConstants {
   public static final String SCOPE_IMPORT_ALL = "importAll";
   public static final String SCOPE_UPDATE = "update";
   public static final String SCOPE_IMPORT_NEW = "importNew";
+  public static final String SCOPE_CHECK_ALL = "checkAll";
   public static final String DRY_RUN_PROPERTY = "dryRun";
   public static final String SID_PROPERTY = "tg.sessionID";
   public static final String PID_PROPERTY = "tg.projectID";
diff --git a/src/main/java/org/classicmayan/tools/TGSearchQueries.java b/src/main/java/org/classicmayan/tools/TGSearchQueries.java
index 5f5577eb23f81b886c6f445741d1ab83a8961848..9abf69b65814e4d8fd7dea1407ff06185f679bc0 100644
--- a/src/main/java/org/classicmayan/tools/TGSearchQueries.java
+++ b/src/main/java/org/classicmayan/tools/TGSearchQueries.java
@@ -298,10 +298,10 @@ public class TGSearchQueries {
     if (notesURI.equals(titleURI)) {
       result = notesURI;
     } else if (notesURI.isEmpty()) {
-      System.out.print("[WARNING! No TextGrid URI in <title> for " + korID + "] ");
+      System.out.print("[WARNING! No KOR ID in <notes> for " + korID + "] ");
       result = titleURI;
     } else {
-      System.out.print("[WARNING! No TextGrid URI in <notes> for " + korID + "] ");
+      System.out.print("[WARNING! KOR ID in <notes> differs from KOR ID in title: " + korID + "] ");
       result = notesURI;
     }