diff --git a/PDFNetPHP/PDFNetPHP.i b/PDFNetPHP/PDFNetPHP.i
index fef9a379..1a1353f0 100644
--- a/PDFNetPHP/PDFNetPHP.i
+++ b/PDFNetPHP/PDFNetPHP.i
@@ -845,6 +845,9 @@ namespace pdftron {
     }
 }
 
+// Value Wrappers prevent excessive item creation by wrapping the item in SwigValueWrapper
+%feature("valuewrapper") pdftron::PDF::PDFDoc;
+
 //----------------------------------------------------------------------------------------------
 /**
  * Typemap for function pointers
diff --git a/PDFNetPython/PDFNetPython.i b/PDFNetPython/PDFNetPython.i
index 8678b6fa..93f5e03d 100644
--- a/PDFNetPython/PDFNetPython.i
+++ b/PDFNetPython/PDFNetPython.i
@@ -713,6 +713,9 @@ namespace pdftron {
     }
 }
 
+// Value Wrappers prevent excessive item creation by wrapping the item in SwigValueWrapper
+%feature("valuewrapper") pdftron::PDF::PDFDoc;
+
 //----------------------------------------------------------------------------------------------
 /**
  * Typemap for function pointers
diff --git a/PDFNetRuby/PDFNetRuby.i b/PDFNetRuby/PDFNetRuby.i
index 51d546c3..a2347189 100644
--- a/PDFNetRuby/PDFNetRuby.i
+++ b/PDFNetRuby/PDFNetRuby.i
@@ -673,6 +673,10 @@ namespace pdftron {
     return Qnil;
 }
 
+// Value Wrappers prevent excessive item creation by wrapping the item in SwigValueWrapper
+%feature("valuewrapper") pdftron::PDF::PDFDoc;
+
+
 //----------------------------------------------------------------------------------------------
 /**
  * Typemap for function pointers
diff --git a/PDFTronGo/pdftron.i b/PDFTronGo/pdftron.i
index 4a4da2f4..d7853fd4 100644
--- a/PDFTronGo/pdftron.i
+++ b/PDFTronGo/pdftron.i
@@ -296,6 +296,9 @@ namespace pdftron {
     }
 }
 
+// Value Wrappers prevent excessive item creation by wrapping the item in SwigValueWrapper
+%feature("valuewrapper") pdftron::PDF::PDFDoc;
+
 /**
  * Turns on the director feature for the following classes.
  * C++ equivalent of a proxy class. User extends this class in GOLang