diff --git a/chant.php b/chant.php
index 0f136fc..9a22d9d 100644
--- a/chant.php
+++ b/chant.php
@@ -125,7 +125,7 @@ if(count($c_p) > 0) {
 	echo "<h4>Sources</h4>\n<ul>\n";
 	$cnt = 1;
 	foreach($c_p as $s) {
-		$source_label = "<i>".$sources[$s[0]]['title'].", ".$sources[$s[0]]['editor'].", ".$sources[$s[0]]['year']."</i>".($s[1]>''?", p. ".$s[1]:'');
+		$source_label = "<i>".$sources[$s[0]]['title'].", ".$sources[$s[0]]['editor'].", ".($sources[$s[0]]['period']?$sources[$s[0]]['period']:$sources[$s[0]]['year'])."</i>".($s[1]>''?", p. ".$s[1]:'');
 		if (count($s) > 2) {
 			echo '<li><a href="#source_'.$cnt.'">'.$source_label."</a></li>\n";
 			$sources_img .= '<p><a name="source_'.$cnt.'">'.$source_label."</a> &nbsp;";
diff --git a/chant_edit.php b/chant_edit.php
index a0a4815..b82471f 100644
--- a/chant_edit.php
+++ b/chant_edit.php
@@ -326,7 +326,7 @@ if(!$logged_in) {
 		$sources_box = '<select class="sources" name="source[]">'."\n";
 		$sources_box .= '<option value="0">Choose source</option>'."\n";
 		foreach ($sources as $k => $s) {
-			$sources_box .= '<option value="'.$k.'"'.($k==$so?' selected="selected"':'').">".$s['year'].' - '.$s['title'].' ('.$s['editor'].")</option>\n";
+			$sources_box .= '<option value="'.$k.'"'.($k==$so?' selected="selected"':'').">".($s['period']?$s['period']:$s['year']).' - '.$s['title'].' ('.$s['editor'].")</option>\n";
 		}
 		$sources_box .= "</select>\n";
 		echo $sources_box;