A Debian HOWTO (start with this):
        http://melkor.dnp.fmph.uniba.sk/~garabik/debian-utf8/howto.html

UTF-8 and Unicode FAQ (for Linux and Unix):
        http://www.cl.cam.ac.uk/~mgk25/unicode.html

LDP Unicode HOWTO (a little out-of-date):
        http://en.tldp.org/HOWTO/Unicode-HOWTO-1.html