diff --git a/github/GithubObjects.py b/github/GithubObjects.py
index 5e7ad31e..1b768f4a 100644
--- a/github/GithubObjects.py
+++ b/github/GithubObjects.py
@@ -183,7 +183,7 @@ Issue = GithubObject(
     ),
     ExternalListOfObjects( "comments", "comment", IssueComment,
         ListGetable( [], [], __modifyAttributesForObjectsReferingReferedRepo ),
-        ElementGetable( [ "id" ], [], "_repo" ),
+        ElementGetable( [ "id" ], [], __modifyAttributesForObjectsReferingReferedRepo ),
         ElementCreatable( [ "body" ], [], __modifyAttributesForObjectsReferingReferedRepo ),
     ),
 )
@@ -251,7 +251,7 @@ Branch = GithubObject(
     InternalObjectAttribute( "commit", Commit )
 )
 
-__modifyAttributesForObjectsReferingRepo = { "_repo": lambda obj: obj }
+__modifyAttributesForObjectsReferingRepo = { "_repo": lambda repo: repo }
 Repository = GithubObject(
     "Repository",
     BaseUrl( lambda obj: "/repos/" + obj.owner.login + "/" + obj.name ),
@@ -272,53 +272,53 @@ Repository = GithubObject(
     Editable( [ "name" ], [ "description", "homepage", "public", "has_issues", "has_wiki", "has_downloads" ] ),
     ExternalListOfObjects( "git/refs", "git_ref", GitRef,
         ListGetable( [], [], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "ref" ], [], "_repo" ),
+        ElementGetable( [ "ref" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "ref", "sha" ], [], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "git/commits", "git_commit", GitCommit,
-        ElementGetable( [ "sha" ], [], "_repo" ),
+        ElementGetable( [ "sha" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "message", "tree", "parents" ], [ "author", "commiter" ], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "git/trees", "git_tree", GitTree,
-        ElementGetable( [ "sha" ], [], "_repo" ),
+        ElementGetable( [ "sha" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "tree" ], [], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "git/blobs", "git_blob", GitBlob,
-        ElementGetable( [ "sha" ], [], "_repo" ),
+        ElementGetable( [ "sha" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "content", "encoding" ], [], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "git/tags", "git_tag", GitTag,
-        ElementGetable( [ "sha" ], [], "_repo" ),
+        ElementGetable( [ "sha" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "tag", "message", "object", "type" ], [ "tagger" ], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "labels", "label", Label,
         ListGetable( [], [], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "name" ], [], "_repo" ),
+        ElementGetable( [ "name" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "name", "color" ], [], __modifyAttributesForObjectsReferingRepo ),
     ),
     ExternalListOfObjects( "milestones", "milestone", Milestone,
         ListGetable( [], [ "state", "sort", "direction" ], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "number" ], [], "_repo" ),
+        ElementGetable( [ "number" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "title" ], [ "state", "description", "due_on" ], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalListOfObjects( "issues", "issue", Issue,
         ListGetable( [], [ "milestone", "state", "assignee", "mentioned", "labels", "sort", "direction", "since" ], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "number" ], [], "_repo" ),
+        ElementGetable( [ "number" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "title" ], [ "body", "assignee", "milestone", "labels", ], __modifyAttributesForObjectsReferingRepo )
     ),
     ExternalSimpleAttribute( "languages" ),
     ExternalListOfObjects( "downloads", "download", Download,
         ListGetable( [], [], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "id" ], [], "_repo" ),
+        ElementGetable( [ "id" ], [], __modifyAttributesForObjectsReferingRepo ),
         ElementCreatable( [ "name", "size" ], [ "description", "content_type" ], __modifyAttributesForObjectsReferingRepo ),
     ),
     ExternalListOfObjects( "comments", "comment", CommitComment,
         ListGetable( [], [], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "id" ], [], "_repo" ),
+        ElementGetable( [ "id" ], [], __modifyAttributesForObjectsReferingRepo ),
     ),
     ExternalListOfObjects( "commits", "commit", Commit,
         ListGetable( [], [ "sha", "path" ], __modifyAttributesForObjectsReferingRepo ),
-        ElementGetable( [ "sha" ], [], "_repo" ),
+        ElementGetable( [ "sha" ], [], __modifyAttributesForObjectsReferingRepo ),
     ),
     ExternalListOfObjects( "tags", "tag", Tag,
         ListGetable( [], [], __modifyAttributesForObjectsReferingRepo ),
@@ -332,7 +332,7 @@ Repository._addAttributePolicy( InternalObjectAttribute( "source", Repository )
 Repository._addAttributePolicy( ExternalListOfObjects( "forks", "fork", Repository, ListGetable( [], [] ) ) )
 
 __repoElementCreatable = ElementCreatable( [ "name" ], [ "description", "homepage", "private", "has_issues", "has_wiki", "has_downloads", "team_id", ] )
-__repoElementGetable = ElementGetable( [ "name" ], [], "owner" )
+__repoElementGetable = ElementGetable( [ "name" ], [], { "owner" : lambda user: user } )
 __repoListGetable = ListGetable( [], [] )
 AuthenticatedUser._addAttributePolicy( ExternalListOfObjects( "repos", "repo", Repository, __repoListGetable, __repoElementGetable, __repoElementCreatable ) )
 NamedUser._addAttributePolicy( ExternalListOfObjects( "repos", "repo", Repository, __repoListGetable, __repoElementGetable ) )
diff --git a/github/ObjectCapacities/List.py b/github/ObjectCapacities/List.py
index 9329470e..4483d329 100644
--- a/github/ObjectCapacities/List.py
+++ b/github/ObjectCapacities/List.py
@@ -43,8 +43,7 @@ class ElementCreatable( ListCapacity ):
 
     def __execute( self, obj, *args, **kwds ):
         data = self.__argumentsChecker.check( args, kwds )
-        attributes = obj._github._dataRequest( "POST", obj._baseUrl + "/" + self.attributeName, None, data )
-        return self.typePolicy.createLazy( obj, self.__modifyAttributes( obj, attributes ) )
+        return self.typePolicy.createLazy( obj, self.__modifyAttributes( obj, obj._github._dataRequest( "POST", obj._baseUrl + "/" + self.attributeName, None, data ) ) )
 
     def __modifyAttributes( self, obj, attributes ):
         for attributeName, attributeModifier in self.__attributeModifiers.iteritems():
@@ -52,18 +51,20 @@ class ElementCreatable( ListCapacity ):
         return attributes
 
 class ElementGetable( ListCapacity ):
-    def __init__( self, mandatoryParameters, optionalParameters, objReferenceName = None ):
+    def __init__( self, mandatoryParameters, optionalParameters, attributeModifiers = {} ):
         self.__argumentsChecker = ArgumentsChecker( mandatoryParameters, optionalParameters )
-        self.__objReferenceName = objReferenceName
+        self.__attributeModifiers = attributeModifiers
 
     def apply( self, cls ):
         cls._addMethod( "get_" + self.singularName, self.__execute )
 
     def __execute( self, obj, *args, **kwds ):
-        attributes = self.__argumentsChecker.check( args, kwds )
-        if self.__objReferenceName is not None:
-            attributes[ self.__objReferenceName ] = obj
-        return self.typePolicy.createNonLazy( obj, attributes )
+        return self.typePolicy.createNonLazy( obj, self.__modifyAttributes( obj, self.__argumentsChecker.check( args, kwds ) ) )
+
+    def __modifyAttributes( self, obj, attributes ):
+        for attributeName, attributeModifier in self.__attributeModifiers.iteritems():
+            attributes[ attributeName ] = attributeModifier( obj )
+        return attributes
 
 class SeveralElementsAddable( ListCapacity ):
     def apply( self, cls ):