URDU

• Library of Congress
  • MARC 21 Specifications
    • MARC in XML
      • charconv.sgm
    • MARC-8 to Unicode mapping file: codetables.xml
      • in massaged form: marc2unicode.txt
  • MARC-8 character sets
    • marc-8-latin.txt
    • marc-8-arabic.txt
    • marc-8-cyrillic.txt
    • marc-8-greek.txt
    • marc-8-hebrew.txt
    • marc-control.txt
• Unicode Consortium
  • Unicode Character Database
    • UnicodeData.txt minus these entries
    • File Format
  • SGML character entitites
    • SGML.TXT
• IBM DeveloperWorks
  • Open Source Projects
    • XML Charset mappings
      • ISO 8859-1 (get aix-ISO8859_1-4.3.6.xml via the "download" link)