RFCs are available online from a variety of
web sites; http://www.faqs.org/rfcs/ is a good source.
Berners-Lee, Tim. Universal Resource Identifiers in
WWW. RFC 1630. June 1994.
Berners-Lee, Tim, et al. Hypertext Transfer Protocol
-- HTTP/1.0. RFC 1945. May 1996.
Berners-Lee, Tim, et al. Uniform Resource Identifiers
(URI): Generic Syntax. RFC 2396. August 1998.
Berners-Lee, Tim, et al. Uniform Resource Locators
(URL). RFC 1738. December 1994.
Coar, Ken, and David Robinson. The WWW Common Gateway
Interface Version 1.1. Internet draft. June 1999. This is
not (yet) an RFC; it is available at http://web.golux.com/coar/cgi/.
Crocker, David H. Standard for the Format of ARPA Internet
Text Messages. RFC 822. August 1982.
Fielding, Roy. Relative Uniform Resource
Locators. RFC 1808. June 1995.
Fielding, Roy, et al. Hypertext Transfer Protocol
-- HTTP/1.1. RFC 2616. June 1999.
Franks, John, et al. HTTP Authentication: Basic and Digest
Access Authentication. RFC 2617. June 1999.
Goland, Y. Y., et al. HTTP Extensions for Distributed
Authoring -- WEBDAV. RFC 2518. February 1999.
Kristol, David, and Lou Montulli. HTTP State Management
Mechanism. RFC 2109. February 1997.
Mockapetris, P. Domain Names -- Implementation and
Specification. RFC 883. November 1983.