[1] Progress on HTTP-NG (6/5/1997, 8:23:03 PM 版) <http://www.w3.org/Protocols/HTTP-NG/http-ng-status.html>

[2] Hypertext Transfer Protocol - Next Generation Overview (12/1/1999, 8:55:19 AM 版) <http://www.w3.org/Protocols/HTTP-NG/>

[3] HTTP-NG Activity (6/13/2001, 10:09:05 AM 版) <http://www.w3.org/Protocols/HTTP-NG/Activity.html>