diff --git a/data/tlg0086/tlg023/tlg0086.tlg023.1st1K-grc1.xml b/data/tlg0086/tlg023/tlg0086.tlg023.1st1K-grc1.xml
index 4d73d4fab..30ba62331 100644
--- a/data/tlg0086/tlg023/tlg0086.tlg023.1st1K-grc1.xml
+++ b/data/tlg0086/tlg023/tlg0086.tlg023.1st1K-grc1.xml
@@ -107,7 +107,7 @@
             
 <publicationStmt>
 <publisher>Open Greek and Latin</publisher>
-<idno type="filename">urn.cts.greekLit.tlg0086.tlg023.1st1K-grc1.xml</idno>
+<idno type="filename">tlg0086.tlg023.1st1K-grc1.xml</idno>
 <pubPlace/>
     
 <availability>
diff --git a/data/tlg1542/tlg001/tlg1542.tlg001.1st1K-grc1.xml b/data/tlg1542/tlg001/tlg1542.tlg001.1st1K-grc1.xml
index 5100b3d6f..cade68122 100644
--- a/data/tlg1542/tlg001/tlg1542.tlg001.1st1K-grc1.xml
+++ b/data/tlg1542/tlg001/tlg1542.tlg001.1st1K-grc1.xml
@@ -39,7 +39,7 @@
     </titleStmt>
     <publicationStmt>
       <publisher>Open Greek and Latin</publisher>
-      <idno type="filename">urn.cts.greekLit.tlg1542.tlg001.1st1K-grc1.xml</idno>
+      <idno type="filename">tlg1542.tlg001.1st1K-grc1.xml</idno>
       <pubPlace />
       <availability>
        <licence target="https://creativecommons.org/licenses/by-sa/4.0/">Available under a Creative Commons Attribution-ShareAlike 4.0 International License</licence>
diff --git a/data/tlg2038/tlg001/tlg2038.tlg001.1st1K-grc1.xml b/data/tlg2038/tlg001/tlg2038.tlg001.1st1K-grc1.xml
index c7629eaff..1329edc95 100644
--- a/data/tlg2038/tlg001/tlg2038.tlg001.1st1K-grc1.xml
+++ b/data/tlg2038/tlg001/tlg2038.tlg001.1st1K-grc1.xml
@@ -24,7 +24,7 @@
       </titleStmt>
       <publicationStmt>
         <publisher>Open Greek and Latin</publisher>
-        <idno type="filename">urn.cts.greekLit.tlg2038.tlg001.1st1K-grc1.xml</idno>
+        <idno type="filename">tlg2038.tlg001.1st1K-grc1.xml</idno>
         <pubPlace/>
         <availability>
           <licence target="https://creativecommons.org/licenses/by-sa/4.0/">Available under a Creative Commons Attribution-ShareAlike 4.0 International License</licence>
diff --git a/data/tlg2948/tlg001/tlg2948.tlg001.1st1K-grc1.xml b/data/tlg2948/tlg001/tlg2948.tlg001.1st1K-grc1.xml
index bb5afc6bf..35a46bd58 100644
--- a/data/tlg2948/tlg001/tlg2948.tlg001.1st1K-grc1.xml
+++ b/data/tlg2948/tlg001/tlg2948.tlg001.1st1K-grc1.xml
@@ -24,7 +24,7 @@
       </titleStmt>
       <publicationStmt>
         <publisher>Open Greek and Latin</publisher>
-        <idno type="filename">urn.cts.greekLit.tlg2948.tlg001.1st1K-grc1.xml</idno>
+        <idno type="filename">tlg2948.tlg001.1st1K-grc1.xml</idno>
         <pubPlace/>
         <availability>
           <licence target="https://creativecommons.org/licenses/by-sa/4.0/">Available under a Creative Commons Attribution-ShareAlike 4.0 International License</licence>
diff --git a/data/tlg4026/tlg003/tlg4026.tlg003.1st1K-grc1.xml b/data/tlg4026/tlg003/tlg4026.tlg003.1st1K-grc1.xml
index 6feeffd24..4610c95c9 100644
--- a/data/tlg4026/tlg003/tlg4026.tlg003.1st1K-grc1.xml
+++ b/data/tlg4026/tlg003/tlg4026.tlg003.1st1K-grc1.xml
@@ -29,7 +29,7 @@
 
 <publicationStmt>
       <publisher>Open Greek and Latin</publisher>
-      <idno type="filename">urn.cts.greekLit.tlg4026.tlg003.1st1K-grc1.xml</idno>
+      <idno type="filename">tlg4026.tlg003.1st1K-grc1.xml</idno>
       <pubPlace />
       <availability>
         <licence target="https://creativecommons.org/licenses/by-sa/4.0/">Available under a Creative Commons Attribution-ShareAlike 4.0 International License</licence>
diff --git a/data/tlg5019/tlg002/tlg5019.tlg002.1st1K-grc1.xml b/data/tlg5019/tlg002/tlg5019.tlg002.1st1K-grc1.xml
index 0e71ebbd3..a27c4aebf 100755
--- a/data/tlg5019/tlg002/tlg5019.tlg002.1st1K-grc1.xml
+++ b/data/tlg5019/tlg002/tlg5019.tlg002.1st1K-grc1.xml
@@ -26,7 +26,7 @@ schematypens="http://relaxng.org/ns/structure/1.0"?>
 
 <publicationStmt>
 <publisher>Open Greek and Latin</publisher>
-<idno type="filename">urn.cts.greekLit.tlg5019.tlg002.1st1K-grc1.xml</idno>
+<idno type="filename">tlg5019.tlg002.1st1K-grc1.xml</idno>
 <availability>
 <licence target="https://creativecommons.org/licenses/by-sa/4.0/">Available under a Creative Commons Attribution-ShareAlike 4.0 International License</licence>
 </availability>