[This notice should be placed within redistributed or derivative software code when appropriate. This particular formulation of W3C's notice for inclusion in libwww code became active on August 14 1998.]
libwww Copyright Notice

libwww: W3C's implementation of HTTP can be found at: http://www.w3.org/Library/

    Copyright © 1994-2000 World Wide Web Consortium, (Massachusetts Institute of Technology, Institut National de Recherche en Informatique et en Automatique, Keio University). All Rights Reserved. This program is distributed under the W3C's Software Intellectual Property License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See W3C License http://www.w3.org/Consortium/Legal/ for more details. 

    Copyright © 1995 CERN. "This product includes computer software created and made available by CERN. This acknowledgment shall be mentioned in full in any product which includes the CERN computer software included herein or parts thereof."