diff --git a/itemrecord.php b/itemrecord.php
index 0900e78..1f3e86b 100644
--- a/itemrecord.php
+++ b/itemrecord.php
@@ -254,10 +254,19 @@ while ($row = $series->fetchArray()) {
                                 echo '['.$row_tags.'] ';
                             }
                             echo '<br/ ><strong>Identifiers: </strong><br />';
-                            while ($row = $identifiers->fetchArray()) {
+                            while ($row = $identifiers->fetchArray()) {   
                                 $row_id_type = $row['type'];
-                                $row_id_val = $row['val'];
-                                echo '<span style="margin-left: 10px;">'.$row_id_type.': ' .$row_id_val.'</span><br />';
+                                $row_id_val = $row['val'];                                
+                                //echo '<span style="margin-left: 10px;">'.$row_id_type.': ' .$row_id_val.'</span><br />';
+                                if ($row_id_type == 'google') {
+                                    $identifierURL = 'https://books.google.com/books?id=';
+                                } elseif ($row_id_type == 'isbn') {
+                                    $identifierURL = 'https://www.librarything.com/isbn/';
+                                } elseif ($row_id_type == 'oclc') {
+                                    $identifierURL = 'https://worldcat.org/title/';
+                                } else { $identifierURL = '#'; 
+                                }
+                                echo '<span style="margin-left: 10px;">'.$row_id_type.': <a href="'.$identifierURL.$row_id_val.'" target="_blank">'.$row_id_val.'</a></span><br />';
                             }
                             echo '<strong>Language(s): </strong>';
                             while ($row = $languages->fetchArray()) {