diff --git a/Modular_arithmetic/src/CGAL/Residue_type.cpp b/Modular_arithmetic/src/CGAL/Residue_type.cpp
index 9894d1d7075..e221b51dc3e 100644
--- a/Modular_arithmetic/src/CGAL/Residue_type.cpp
+++ b/Modular_arithmetic/src/CGAL/Residue_type.cpp
@@ -1,4 +1,4 @@
-// Max-Planck-Institute Saarbruecken (Germany).
+// Copyright (c) Max-Planck-Institute Saarbruecken (Germany).
 // All rights reserved.
 //
 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or
diff --git a/Modular_arithmetic/src/CGAL/primes.cpp b/Modular_arithmetic/src/CGAL/primes.cpp
index 524356f3fa8..4d7fdc528a1 100644
--- a/Modular_arithmetic/src/CGAL/primes.cpp
+++ b/Modular_arithmetic/src/CGAL/primes.cpp
@@ -1,4 +1,4 @@
-// Max-Planck-Institute Saarbruecken (Germany).
+// Copyright (c) Max-Planck-Institute Saarbruecken (Germany).
 // All rights reserved.
 //
 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or
diff --git a/Nef_3/include/CGAL/Nef_3/Default_items.h b/Nef_3/include/CGAL/Nef_3/Default_items.h
index c5eb73c7888..07f212d4bab 100644
--- a/Nef_3/include/CGAL/Nef_3/Default_items.h
+++ b/Nef_3/include/CGAL/Nef_3/Default_items.h
@@ -1,3 +1,5 @@
+// Copyright (c) 1997-2002  Max-Planck-Institute Saarbruecken (Germany).
+// All rights reserved.
 //
 // This file is part of CGAL (www.cgal.org).
 // You can redistribute it and/or modify it under the terms of the GNU
diff --git a/Surface_mesher/include/CGAL/builder.h b/Surface_mesher/include/CGAL/builder.h
index e60c8aee682..ed25de3fd03 100644
--- a/Surface_mesher/include/CGAL/builder.h
+++ b/Surface_mesher/include/CGAL/builder.h
@@ -1,3 +1,22 @@
+// Copyright (c) 2006-2007  INRIA Sophia-Antipolis (France).
+// All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org).
+// You can redistribute it and/or modify it under the terms of the GNU
+// General Public License as published by the Free Software Foundation,
+// either version 3 of the License, or (at your option) any later version.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+//
+// Author(s)     : Pierre Alliez
+
 /***************************************************************************
 builder.h
 ----------------------------------------------------------------------------
diff --git a/Surface_mesher/include/CGAL/enriched_polyhedron.h b/Surface_mesher/include/CGAL/enriched_polyhedron.h
index cae438b426c..29c0f9d38ea 100644
--- a/Surface_mesher/include/CGAL/enriched_polyhedron.h
+++ b/Surface_mesher/include/CGAL/enriched_polyhedron.h
@@ -1,5 +1,24 @@
 // -*- tab-width: 2 -*-
 
+// Copyright (c) 2006-2007  INRIA Sophia-Antipolis (France).
+// All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org).
+// You can redistribute it and/or modify it under the terms of the GNU
+// General Public License as published by the Free Software Foundation,
+// either version 3 of the License, or (at your option) any later version.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+//
+// Author(s)     : Pierre Alliez
+
 ///////////////////////////////////////////////////////////////////////////
 //                                                                       //
 //  Class: Enriched_polyhedron                                           //
diff --git a/Surface_mesher/include/CGAL/pws_loop_subdivision.h b/Surface_mesher/include/CGAL/pws_loop_subdivision.h
index dc057b7090f..a6cb4fa876a 100644
--- a/Surface_mesher/include/CGAL/pws_loop_subdivision.h
+++ b/Surface_mesher/include/CGAL/pws_loop_subdivision.h
@@ -1,3 +1,22 @@
+// Copyright (c) 2006-2007  INRIA Sophia-Antipolis (France).
+// All rights reserved.
+//
+// This file is part of CGAL (www.cgal.org).
+// You can redistribute it and/or modify it under the terms of the GNU
+// General Public License as published by the Free Software Foundation,
+// either version 3 of the License, or (at your option) any later version.
+//
+// Licensees holding a valid commercial license may use this file in
+// accordance with the commercial license agreement provided with the software.
+//
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// $URL$
+// $Id$
+//
+// Author(s)     : Pierre Alliez
+
 #ifndef PWS_LOOP_SUBDIVISION
 #define PWS_LOOP_SUBDIVISION