• "Optimal Use of Fonts on Linux" (by Avi Alkalay)
• "Mike Shell's Step-By-Step Guide to Manually Installing (Type 1 PostScript) Fonts Under LaTeX Using Adobe's Euro Font as an Illustrative Example" (by Michael Shell)
• "The Simple Guide to Type 1 Fonts in LaTeX" (by Matthew Amster-Burton)
• Adobe docs about fonts (partners.adobe.com)
• Font formats (Adobe info)

• SIL International
• KMFL Keyboard Mapping for Linux a keyboard input method currently developed for Linux; aims to bring Tavultesoft 'Keyman' functionality to *nix operating systems (developers are jointly: SIL International and Tavultesoft). License: GPL.