KOI8-R Russian Character Set - Information relating to the KOI8-R Russian character set. Includes tables, software information, keyboard layouts and many links to related resources. In English and Russian.
Russify Everything - How to adapt various systems and software for use in Russian, including details on Russian character encoding systems.
Slovo - Information on how to set up PCs for Slavic and Cyrillic languages, covering a variety of operating systems. In English, German and Russian.