diff --git a/csl/harvard1.csl b/csl/harvard1.csl
index 21ca0ebda..365f25c7c 100644
--- a/csl/harvard1.csl
+++ b/csl/harvard1.csl
@@ -26,7 +26,7 @@
+ delimiter-precedes-last="never" delimiter=", "/>
@@ -36,7 +36,7 @@
-
+
diff --git a/csl/harvard2.csl b/csl/harvard2.csl
index 068d44315..b4d76e9c2 100644
--- a/csl/harvard2.csl
+++ b/csl/harvard2.csl
@@ -25,7 +25,7 @@
-
@@ -36,7 +36,7 @@
-
+
diff --git a/csl/harvard3.csl b/csl/harvard3.csl
index ae3e1866a..c9e7f9f07 100644
--- a/csl/harvard3.csl
+++ b/csl/harvard3.csl
@@ -26,7 +26,7 @@
+ delimiter=", " delimiter-precedes-last="never" />
@@ -36,7 +36,7 @@
-
+
diff --git a/csl/ou-harvard.csl b/csl/ou-harvard.csl
index f02094abd..97623ed5c 100644
--- a/csl/ou-harvard.csl
+++ b/csl/ou-harvard.csl
@@ -26,7 +26,7 @@
+ delimiter=", " delimiter-precedes-last="never" form="long"/>
@@ -36,7 +36,7 @@
-
+