diff --git a/github/GithubObject.UnitTest.py b/github/GithubObject.UnitTest.py
index 5be5e52d..b6a54b02 100644
--- a/github/GithubObject.UnitTest.py
+++ b/github/GithubObject.UnitTest.py
@@ -232,11 +232,11 @@ class GithubObjectWithListGetableList( TestCaseWithGithubTestObject ):
         "GithubTestObject",
         BaseUrl( lambda obj: "/test" ),
         BasicAttributes( "a1", "a2" ),
-        ListOfObjects( "a3s", ContainedObject, ListGetable() )
+        ListOfObjects( "a3s", ContainedObject, ListGetable( [], [] ) )
     )
 
     def testGetList( self ):
-        self.expectDataGet( "/test/a3s" ).andReturn( [ { "id": "id1" }, { "id": "id2" }, { "id": "id3" } ] )
+        self.expectDataGet( "/test/a3s", {} ).andReturn( [ { "id": "id1" }, { "id": "id2" }, { "id": "id3" } ] )
         a3s = self.o.get_a3s()
         self.assertEqual( len( a3s ), 3 )
         self.assertEqual( a3s[ 0 ].id, "id1" )
diff --git a/github/GithubObjects.py b/github/GithubObjects.py
index ede2b0cb..ea0051c9 100644
--- a/github/GithubObjects.py
+++ b/github/GithubObjects.py
@@ -82,9 +82,10 @@ Repository._addAttributePolicy( ListOfReferences( "forks", Repository ) )
 
 __repoElementCreatable = ElementCreatable( "repo", [ "name" ], [ "description", "homepage", "private", "has_issues", "has_wiki", "has_downloads", "team_id", ] )
 __repoElementGetable = ElementGetable( "repo", lambda obj, name: { "owner": { "login": obj.login }, "name": name } )
-AuthenticatedUser._addAttributePolicy( ListOfObjects( "repos", Repository, ListGetable(), __repoElementGetable, __repoElementCreatable ) )
-NamedUser._addAttributePolicy( ListOfObjects( "repos", Repository, ListGetable(), __repoElementGetable ) )
-Organization._addAttributePolicy( ListOfObjects( "repos", Repository, ListGetable(), __repoElementGetable, __repoElementCreatable ) )
+__repoListGetable = ListGetable( [], [] )
+AuthenticatedUser._addAttributePolicy( ListOfObjects( "repos", Repository, __repoListGetable, __repoElementGetable, __repoElementCreatable ) )
+NamedUser._addAttributePolicy( ListOfObjects( "repos", Repository, __repoListGetable, __repoElementGetable ) )
+Organization._addAttributePolicy( ListOfObjects( "repos", Repository, __repoListGetable, __repoElementGetable, __repoElementCreatable ) )
 
 AuthenticatedUser._addAttributePolicy( ListOfReferences( "watched", Repository, addable = True, removable = True, hasable = True ) )
 NamedUser._addAttributePolicy( ListOfReferences( "watched", Repository ) )
diff --git a/github/ObjectCapacities/ArgumentsChecker.py b/github/ObjectCapacities/ArgumentsChecker.py
index f8c01712..ce8f6496 100644
--- a/github/ObjectCapacities/ArgumentsChecker.py
+++ b/github/ObjectCapacities/ArgumentsChecker.py
@@ -7,8 +7,6 @@ class ArgumentsChecker:
 
     def check( self, args, kwds ):
         data = dict( kwds )
-        if len( args ) + len( kwds ) == 0:
-            raise TypeError()
         for arg, argumentName in itertools.izip( args, itertools.chain( self.__mandatoryParameters, self.__optionalParameters ) ):
             if argumentName in kwds:
                 raise TypeError()
diff --git a/github/ObjectCapacities/List.py b/github/ObjectCapacities/List.py
index 268e89a7..cdc658a9 100644
--- a/github/ObjectCapacities/List.py
+++ b/github/ObjectCapacities/List.py
@@ -4,6 +4,17 @@ import ArgumentsChecker
 
 class ListOfReferences:
     def __init__( self, attributeName, type, addable = False, removable = False, hasable = False, getParameters = [] ):
+        self.__capacities = list()
+        self.attributeName = attributeName
+        self.type = type
+        self.__capacities.append( ListGetable( [], getParameters ) )
+        # if addable:
+            # self.__capacities.append( ElementAddable() )
+        # if removable:
+            # self.__capacities.append( ElementRemoveable() )
+        # if hasable:
+            # self.__capacities.append( ElementHasable() )
+
         self.__attributeName = attributeName
         self.__type = type
         self.__getName = "get_" + attributeName
@@ -22,7 +33,9 @@ class ListOfReferences:
             self.__hasName = None
 
     def apply( self, cls ):
-        cls._addMethod( self.__getName, self.__executeGet )
+        for capacity in self.__capacities:
+            capacity.apply( self, cls )
+
         if self.__addName is not None:
             cls._addMethod( self.__addName, self.__executeAdd )
         if self.__removeName is not None:
@@ -30,15 +43,6 @@ class ListOfReferences:
         if self.__hasName is not None:
             cls._addMethod( self.__hasName, self.__executeHas )
 
-    def __executeGet( self, obj, *args, **kwds ):
-        ### @todo ArgumentsChecker?
-        for arg, argumentName in itertools.izip( args, self.__getParameters ):
-            kwds[ argumentName ] = arg
-        return [
-            self.__type( obj._github, attributes, lazy = True )
-            for attributes in obj._github._dataRequest( "GET", obj._baseUrl + "/" + self.__attributeName, kwds, None )
-        ]
-
     def __executeAdd( self, obj, toBeAdded ):
         assert isinstance( toBeAdded, self.__type )
         obj._github._statusRequest( "PUT", obj._baseUrl + "/" + self.__attributeName + "/" + toBeAdded._identity, None, None )
@@ -66,15 +70,19 @@ class ElementCreatable:
         return self.__type( obj._github, obj._github._dataRequest( "POST", obj._baseUrl + "/" + self.__attributeName, None, data ), lazy = True )
 
 class ListGetable:
+    def __init__( self, mandatoryParameters, optionalParameters ):
+        self.__argumentsChecker = ArgumentsChecker.ArgumentsChecker( mandatoryParameters, optionalParameters )
+
     def apply( self, list, cls ):
         self.__type = list.type
         self.__attributeName = list.attributeName
         cls._addMethod( "get_" + list.attributeName, self.__execute )
 
-    def __execute( self, obj ):
+    def __execute( self, obj, *args, **kwds ):
+        params = self.__argumentsChecker.check( args, kwds )
         return [
             self.__type( obj._github, attributes, lazy = True )
-            for attributes in obj._github._dataRequest( "GET", obj._baseUrl + "/" + self.__attributeName, None, None )
+            for attributes in obj._github._dataRequest( "GET", obj._baseUrl + "/" + self.__attributeName, params, None )
         ]
 
 class ElementGetable: