PDF Reference (Adobe Systems Inc.)

URL: http://partners.adobe.com/public/developer/pdf/index_reference.html

Font technical notes (Adobe Systems Inc.)

URL: http://partners.adobe.com/public/developer/font/index.html

Character Sets and Encodings (Adobe Systems Inc.)

URL: http://partners.adobe.com/public/developer/opentype/index_char_sets.html

True Type Font Format (Microsoft Corporation)

URL: http://www.microsoft.com/typography/otspec/

Unicode Character Database (Unicode Home Page)

URL: http://www.unicode.org/ucd/

The Programmer's File Format Collection

URL: http://www.wotsit.org/

zlib Home Site

URL: http://www.zlib.net/

libpng.org

URL: http://www.libpng.org/

True Type Font to Postscript Type 1 Converter

URL: http://ttf2pt1.sourceforge.net/

Cheapskatefonts.com ("Penguin Attack" font written by Dustin Norlander)

URL: http://www.dustismo.com/

"Konatu" Font (Japanese TrueType font) written by mitiya masuda.

URL: http://www.masuseki.com/index.php?u=be/

Ghostscript 6.0 fonts

URL: http://sourceforge.net/projects/gs-fonts/

Type1 KOI8-R font set

URL: ftp://ftp.kapella.gpi.ru/pub/cyrillic/psfonts/

CM-Super font package

URL: http://www.ctan.org/tex-archive/fonts/ps-type1/cm-super/

Caslon style, ISO 8859 series fonts

URL: http://bibliofile.mc.duke.edu/gww/fonts/ISO8859.html