diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/DARIAHConstants.java b/oaipmh-core/src/main/java/info/textgrid/middleware/DARIAHConstants.java
index 4a98270796f5a2b0e0a1f8852b2e37a607b4d228..e45943ba64211cd73820a1132884f450f2fc4afd 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/DARIAHConstants.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/DARIAHConstants.java
@@ -45,19 +45,19 @@ public final class DARIAHConstants {
 	 * TextGrid Metadata Fields for OAI-PMH Request (Mapping to DC)
 	 */
 
-	public static final String			CREATED						= "metadata.dc:date";
-	public static final String			FORMAT						= "metadata.dc:format";
-	public static final String			IDENTIFIER					= "metadata.dc:identifier";
-	public static final String			DATA_CONTRIBUTOR			= "metadata.dc:contributor";
+	public static final String			CREATED						= "dariahObject.admnistrativeMetadata.dcterms:modified";
+	public static final String			FORMAT						= "dariahObject.descriptiveMetadata.dc:format";
+	public static final String			IDENTIFIER					= "dariahObject.descriptiveMetadata.dc:identifier";
+	public static final String			DATA_CONTRIBUTOR			= "dariahObject.descriptiveMetadata.dc:contributor";
 
 	public static final String[]		DARIAHFields				= {
-			"metadata.dc:contributor", "metadata.dc:coverage",
-			"metadata.dc:creator", "metadata.dc:date",
-			"metadata.dc:description", "metadata.dc:format",
-			"metadata.dc:identifier", "metadata.dc:language",
-			"metadata.dc:publisher", "metadata.dc:relation",
-			"metadata.dc:rights", "metadata.dc:source", "metadata.dc:subject",
-			"metadata.dc:title", "metadata.dc:type"				};
+			"dariahObject.descriptiveMetadata.dc:contributor", "dariahObject.descriptiveMetadata.dc:coverage",
+			"dariahObject.descriptiveMetadata.dc:creator", "dariahObject.admnistrativeMetadata.dcterms:modified",
+			"dariahObject.descriptiveMetadata.dc:description", "dariahObject.descriptiveMetadata.dc:format",
+			"dariahObject.descriptiveMetadata.dc:identifier", "dariahObject.descriptiveMetadata.dc:language",
+			"dariahObject.descriptiveMetadata.dc:publisher", "dariahObject.descriptiveMetadata.dc:relation",
+			"dariahObject.descriptiveMetadata.dc:rights", "dariahObject.descriptiveMetadata.:source", "dariahObject.descriptiveMetadata.dc:subject",
+			"dariahObject.descriptiveMetadata.dc:title", "dariahObject.descriptiveMetadata.dc:type"				};
 
 	public static final String[]		DARIAHCollectionFields		= { "metadata.dc:title" };
 
@@ -66,21 +66,21 @@ public final class DARIAHConstants {
 	 * fields
 	 */
 
-	public static final String[]		CONTRIBUTOR_LIST			= { "metadata.dc:contributor" };
-	public static final String[]		COVERAGE_LIST				= { "metadata.dc:coverage" };
-	public static final String[]		CREATOR_LIST				= { "metadata.dc:cretor" };
-	public static final String[]		DATE_LIST					= { "metadata.dc:date" };
-	public static final String[]		DESCRIPTION_LIST			= { "metadata.dc:description" };
-	public static final String[]		FORMAT_LIST					= { "metadata.dc:format" };
-	public static final String[]		IDENTIFIER_LIST				= { "metadata.dc:identifier" };
-	public static final String[]		LANGUAGE_LIST				= { "metadata.dc:language" };
-	public static final String[]		PUBLISHER_LIST				= { "metadata.dc:publisher" };
-	public static final String[]		RELATIONS_LIST				= { "metadata.dc:relation" };
-	public static final String[]		RIGHTS_LIST					= { "metadata.dc:rights" };
-	public static final String[]		SOURCE_LIST					= { "metadata.dc:source" };
-	public static final String[]		SUBJECT_LIST				= { "metadata.dc:subject" };
-	public static final String[]		TITLE_LIST					= { "metadata.dc:title" };
-	public static final String[]		TYPE_LIST					= { "metadata.dc:type" };
+	public static final String[]		CONTRIBUTOR_LIST			= { "dariahObject.descriptiveMetadata.dc:contributor" };
+	public static final String[]		COVERAGE_LIST				= { "dariahObject.descriptiveMetadata.dc:coverage" };
+	public static final String[]		CREATOR_LIST				= { "dariahObject.descriptiveMetadata.dc:cretor" };
+	public static final String[]		DATE_LIST					= { "dariahObject.descriptiveMetadata.dc:date" };
+	public static final String[]		DESCRIPTION_LIST			= { "dariahObject.descriptiveMetadata.dc:description" };
+	public static final String[]		FORMAT_LIST					= { "dariahObject.descriptiveMetadata.dc:format" };
+	public static final String[]		IDENTIFIER_LIST				= { "dariahObject.descriptiveMetadata.dc:identifier" };
+	public static final String[]		LANGUAGE_LIST				= { "dariahObject.descriptiveMetadata.dc:language" };
+	public static final String[]		PUBLISHER_LIST				= { "dariahObject.descriptiveMetadata.dc:publisher" };
+	public static final String[]		RELATIONS_LIST				= { "dariahObject.descriptiveMetadata.dc:relation" };
+	public static final String[]		RIGHTS_LIST					= { "dariahObject.descriptiveMetadata.dc:rights" };
+	public static final String[]		SOURCE_LIST					= { "dariahObject.descriptiveMetadata.dc:source" };
+	public static final String[]		SUBJECT_LIST				= { "dariahObject.descriptiveMetadata.dc:subject" };
+	public static final String[]		TITLE_LIST					= { "dariahObject.descriptiveMetadata.dc:title" };
+	public static final String[]		TYPE_LIST					= { "dariahObject.descriptiveMetadata.dc:type" };
 	public static final String[]		IDENTIFIER_LIST_FIELDS		= {
 			"metadata.dc:identifier", "metadata.dc:date", "metadata.dc:format" };
 	public static final String			RANGE_FIELD					= "metadata.dc:date";
diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDeliverer.java b/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDeliverer.java
index 7f82b05584aa9f16dcdb953905e719e809d0a6f6..c3efafe15028783efaccc57752c63d8fdf221f3c 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDeliverer.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDeliverer.java
@@ -41,8 +41,7 @@ public class RecordListDeliverer {
 	// STATICS
 	// **
 
-	private static org.apache.commons.logging.Log	log				= LogFactory
-																			.getLog(RecordDeliverer.class);
+	private static org.apache.commons.logging.Log	log				= LogFactory.getLog(RecordDeliverer.class);
 
 	// **
 	// CLASS VARIABLES
@@ -59,6 +58,7 @@ public class RecordListDeliverer {
 	private String									relationToFurtherMetadataObject;
 	private String									repositoryObjectURIPrefix;
 	private String									rangeField;
+	private String									modifiedField;
 	private boolean									foundItems;
 
 
@@ -388,7 +388,7 @@ public class RecordListDeliverer {
 		System.out.println("DateSize: " + dates.size());
 		
 		if(dates.size() > 0){
-			header.setDatestamp(this.dates.get(0));
+			header.setDatestamp(this.modifiedField);
 			header.setIdentifier(this.identifiers.get(0));
 			System.out.println("identifiers: " + this.identifiers.get(0));
 		if (set != null) {
@@ -669,6 +669,14 @@ public class RecordListDeliverer {
 		this.foundItems = foundItems;
 	}
 
+	public String getModifiedField() {
+		return modifiedField;
+	}
+
+	public void setModifiedField(String modifiedField) {
+		this.modifiedField = modifiedField;
+	}
+
 	/*
 	 * public String getCollectionTitle() { return collectionTitle; }
 	 * 
diff --git a/oaipmh-webapp/src/main/webapp/WEB-INF/beans.xml b/oaipmh-webapp/src/main/webapp/WEB-INF/beans.xml
index 92227aa6bd29dd914dc274d4317545afe742fb12..93484310563caed595e271219150c4c38a9f160d 100644
--- a/oaipmh-webapp/src/main/webapp/WEB-INF/beans.xml
+++ b/oaipmh-webapp/src/main/webapp/WEB-INF/beans.xml
@@ -106,7 +106,8 @@
 		<property name="sources" value="${sourceList}" />
 		<property name="subjects" value="${subjectList}" />
 		<property name="titles" value="${titleList}" />
-		<property name="types" value="${typeList}" />
+		<property name="types" value="${typeList}" />	
+		<property name="modifiedField" value="${modifiedField}" />	
 	</bean>
 
 	<bean id="Record" class="info.textgrid.middleware.RecordDeliverer">