The Old Church Slavonic (OCS) version of the [[Bible]] is close to what the historical linguists term proto-Slavic, but is actually a very old form of Bulgarian/Proto-South-Slavic. Cyrillic letters are used for this version of Scripture. | The Old Church Slavonic (OCS) version of the [[Bible]] is close to what the historical linguists term proto-Slavic, but is actually a very old form of Bulgarian/Proto-South-Slavic. Cyrillic letters are used for this version of Scripture. |