Old Church Slavonic
by Todd B. Krause and Jonathan Slocum
This very useful material is provided on the website of the Linguistic Research Center (LRC), College of Liberal Arts at the University of Texas at Austin.
Introduction to Old Church Slavonic
Table of Contents : Lessons and Grammar Points Index
Base Form Dictionary Master Glossary
Old Church Slavonic English Meaning Index
Словарь древнерусского языка (XI—XIV вв.) - RU
This valuable reference work is available at Slovari.ru
Dictionary of Old Church Slavonic - RU
- in Russian contains over 10 000 words
An electronic version of the dictionary is published at promacedonia.org . Also available in PDF, READ-ONLY and DJVU .
Old Church Slavonic Glossary - EN
Available in PDF
compiled by Carl Fredrik Gildea, University of Gothenburg
A short list of abbreviations is available at orthodoxepubsoc.org
A great transliteration tool
for a number of Slavic languages including Russian and Old Russian Orthography.
Church Slavonic Virtual Keyboard
.