The official names for character sets that may be used in the Internet and referred to in Internet documentation - held at the Internet Assigned Number Authority. http://www.iana.org/assignments/character-sets
Covers code tables, Unicode, HTML and XML and links to other resources and discusses internationalization and localization issues relating to character sets. http://www.w3.org/International/O-charset.html
Query character sets, encoding, codepages and Unicode information in an easy-to-use web form. Held at the Institute of the Estonian Language. http://www.eki.ee/letter/
A review of the HTML authoring problems caused by some special characters which belong to MS Windows character set but not to ISO Latin 1. Includes technical details and substitution tables. In English and Finnish. http://www.cs.tut.fi/~jkorpela/www/windows-chars.html
A tutorial on character code issues in digital processing and transfer of text data, on the Internet or otherwise. Includes tables and a detailed listing of control codes. In English and Finnish. http://www.cs.tut.fi/~jkorpela/chars/