[RFC822]

"Standard for the Format of ARPA Internet Text Messages", Revised by David H. Crocker, August 1982.
Download from http://www.rfc-editor.org/.

[RFC1123]

"Requirements for Internet Hosts -- Application and Support", R. Braden, October 1989.
Download from http://www.rfc-editor.org/.

[RFC1524]

"A User Agent Configuration Mechanism For Multimedia Mail Format Information", N. Borenstein, September 1993.
Download from http://www.rfc-editor.org/.

[RFC1738]

"Uniform Resource Locators", T. Berners-Lee, L. Masinter, and M. McCahill, December 1994.
Download from http://www.rfc-editor.org/.

[RFC1808]

"Relative Uniform Resource Locators", R. Fielding, June 1995.
Download from http://www.rfc-editor.org/.

[RFC1867]

"Form-based File Upload in HTML", E. Nebel and L. Masinter, November 1995.
Download from http://www.rfc-editor.org/.

[RFC2045]

"Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies", N. Freed and N. Borenstein, November 1996.
Download from http://www.rfc-editor.org/. Note that this RFC obsoletes RFC1521, RFC1522, and RFC1590.

[RFC2046]

"Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types", N. Freed and N. Borenstein, November 1996.
Download from http://www.rfc-editor.org/. Note that this RFC obsoletes RFC1521, RFC1522, and RFC1590.

[RFC2616]

"Hypertext Transfer Protocol -- HTTP/1.1", R. Fielding, J. Gettys, J. Mogul, H. Frystyk Nielsen, L. Masinter, P. Leach and T. Berners-Lee, June 1999.
Download from http://www.w3.org/Protocols/rfc2616/rfc2616.html.

[RFC977]

"Network News Transfer Protocol", B. Kantor, P. Lapsley, February 1986.
Download from http://www.rfc-editor.org/.

[ISO1000]

"SI units and recommendations for the user of their multiples and of certain other units", ISO 1000:1992.

[ISO8879]

"Information Processing -- Text and Office Systems -- Standard Generalized Markup Language (SGML)", ISO 8879:1986.
For the list of SGML entities, consult ftp://ftp.ifi.uio.no/pub/SGML/ENTITIES/.

[CSS1]

"Cascading Style Sheets, level 1", H. W. Lie and B. Bos, 17 December 1996.
Download from http://www.w3.org/TR/REC-CSS1-961217.html

[ERCS]

"Extended Reference Concrete Syntax for SGML", 30 May 1995.
Download from http://www.sgmlopen.org/sgml/docs/ercs/ercs-home.html

[MIMETYPES]

Download a list of registered Internet Media Types (MIME types) from ftp://ftp.isi.edu/in-notes/iana/assignments/media-types/.

[RFC850]

"Standard for Interchange of USENET Messages", M. Horton, June 1983.
Download from http://www.rfc-editor.org/.

[HTML32]

"HTML 3.2 Reference Specification", Dave Raggett, 14 January 1997.
Download from http://www.w3.org/TR/REC-html32.html

[LEXHTML]

"A Lexical Analyzer for HTML and Basic SGML", D. Connolly, 15 June 1996. Download from http://www.w3.org/TR/WD-html-lex

[BRYAN88]

"SGML: An Author's Guide to the Standard Generalized Markup Language", M. Bryan, Addison-Wesley Publishing Co., 1988.

[GOLD90]

"The SGML Handbook", C. F. Goldfarb, Clarendon Press, 1991.

[VANH90]

"Practical SGML", E. van Herwijnen, Kluwer Academic Publishers Group, Norwell and Dordrecht, 1990.

[SQ91]

"The SGML Primer", 3rd Edition, SoftQuad Inc., 1991.

[DCORE]

The Dublin Core: for more information see http://purl.org/metadata/dublin_core

[PICS]

Platform for Internet Content (PICS). For more information see http://www.w3.org/PICS/