Slavonic publications in the Cyrillic script of the 15th - 1st quarter of 16 centuries. This collection of international value consists of 63 books, its greatest part being cultural heritage of Slavonic nations is kept in Russia. These are some copies or their parts in the Ukraine, Byelorussia, Bulgaria, Serbia, Montenegro, Romania, France, UK, USA, Croatia, Slovenia, The Czech Republic, Greece. Most of these publications are exceptionally few and some unique. They antedated the early books printed by I. Fedorov for 70 years. The main goal - the creation of an united collection on compact discs.