diff --git a/csl/asa.csl b/csl/asa.csl
index ea8ffbb4f9..85c9f58772 100644
--- a/csl/asa.csl
+++ b/csl/asa.csl
@@ -122,7 +122,7 @@
   <citation>
     <option name="et-al-min" value="3"/>
     <option name="et-al-use-first" value="1"/>
-    <option name="et-al-subsequent-min" value="6"/>
+    <option name="et-al-subsequent-min" value="3"/>
     <option name="et-al-subsequent-use-first" value="1"/>
     <option name="disambiguate-add-year-suffix" value="true"/>
     <option name="disambiguate-add-names" value="true"/>
diff --git a/csl/chicago-author-date.csl b/csl/chicago-author-date.csl
index cea3c213f4..4a7565dcbd 100644
--- a/csl/chicago-author-date.csl
+++ b/csl/chicago-author-date.csl
@@ -126,7 +126,7 @@
   <citation>
     <option name="et-al-min" value="4"/>
     <option name="et-al-use-first" value="1"/>
-    <option name="et-al-subsequent-min" value="6"/>
+    <option name="et-al-subsequent-min" value="4"/>
     <option name="et-al-subsequent-use-first" value="1"/>
     <option name="disambiguate-add-year-suffix" value="true"/>
     <option name="disambiguate-add-names" value="true"/>
diff --git a/csl/chicago-fullnote-bibliography.csl b/csl/chicago-fullnote-bibliography.csl
index 41f98a64f5..48d852c58e 100644
--- a/csl/chicago-fullnote-bibliography.csl
+++ b/csl/chicago-fullnote-bibliography.csl
@@ -408,11 +408,7 @@
   <macro name="pages-chapter">
     <choose>
       <if type="chapter">
-        <choose>
-          <if variable="volume">
         <text variable="volume" suffix=":"/>
-          </if>
-        </choose>
         <text variable="page"/>
       </if>
     </choose>
diff --git a/csl/chicago-note-bibliography.csl b/csl/chicago-note-bibliography.csl
index 35099c0081..3bf48da899 100644
--- a/csl/chicago-note-bibliography.csl
+++ b/csl/chicago-note-bibliography.csl
@@ -282,11 +282,7 @@
   <macro name="pages-chapter">
     <choose>
       <if type="chapter">
-        <choose>
-          <if variable="volume">
         <text variable="volume" suffix=":"/>
-          </if>
-        </choose>
         <text variable="page"/>
       </if>
     </choose>
diff --git a/csl/harvard1.csl b/csl/harvard1.csl
index f24b2088b5..a50b78a99f 100644
--- a/csl/harvard1.csl
+++ b/csl/harvard1.csl
@@ -108,7 +108,7 @@
   <citation>
     <option name="et-al-min" value="4"/>
     <option name="et-al-use-first" value="1"/>
-    <option name="et-al-subsequent-min" value="6"/>
+    <option name="et-al-subsequent-min" value="4"/>
     <option name="et-al-subsequent-use-first" value="1"/>
     <option name="disambiguate-add-year-suffix" value="true"/>
     <option name="disambiguate-add-names" value="true"/>