diff --git a/csl/chicago-author-date.csl b/csl/chicago-author-date.csl
index dc344e77f..77dfeba64 100644
--- a/csl/chicago-author-date.csl
+++ b/csl/chicago-author-date.csl
@@ -333,8 +333,8 @@
   </citation>
   <bibliography>
     <option name="hanging-indent" value="true"/>
-    <option name="et-al-min" value="6"/>
-    <option name="et-al-use-first" value="3"/>
+    <option name="et-al-min" value="11"/>
+    <option name="et-al-use-first" value="7"/>
     <option name="subsequent-author-substitute" value="---"/>
     <option name="entry-spacing" value="0"/>
     <sort>
diff --git a/csl/chicago-fullnote-bibliography.csl b/csl/chicago-fullnote-bibliography.csl
index 01a28a8aa..2eedf105b 100644
--- a/csl/chicago-fullnote-bibliography.csl
+++ b/csl/chicago-fullnote-bibliography.csl
@@ -635,12 +635,13 @@
   </citation> 
   <bibliography>
     <option name="hanging-indent" value="true"/>
-    <option name="et-al-min" value="6"/>
-    <option name="et-al-use-first" value="6"/>
+    <option name="et-al-min" value="11"/>
+    <option name="et-al-use-first" value="7"/>
     <option name="subsequent-author-substitute" value="---"/>
     <option name="entry-spacing" value="0"/>
     <sort>
       <key macro="sort-key"/>
+      <key variable="issued"/>
     </sort>
     <layout suffix=".">
       <group delimiter=". ">
diff --git a/csl/chicago-note-bibliography.csl b/csl/chicago-note-bibliography.csl
index 72d4a6893..135be7f3d 100644
--- a/csl/chicago-note-bibliography.csl
+++ b/csl/chicago-note-bibliography.csl
@@ -407,12 +407,13 @@
   </citation> 
   <bibliography>
     <option name="hanging-indent" value="true"/>
-    <option name="et-al-min" value="6"/>
-    <option name="et-al-use-first" value="6"/>
+    <option name="et-al-min" value="11"/>
+    <option name="et-al-use-first" value="7"/>
     <option name="subsequent-author-substitute" value="---"/>
     <option name="entry-spacing" value="0"/>
     <sort>
       <key macro="sort-key"/>
+      <key variable="issued"/>
     </sort>
     <layout suffix=".">
       <group delimiter=". ">