 Its primary goal is to secure the preservation of the originals of 15th-19th cc.hand-written documents, and at the same time to enable wide (online) access to them for researchers, digitalize the documents, create the electronic resource for users, and introduce into scientific discourse the set of documents on the history of the stated period, which have not been previously used by historians and remained largely unknown to the general public.The project activities included preparation of scientific descriptions and scanning of hand-written archival documents, including translation of titles from the Old Slavonic to the contemporary Russian language, brief description of the documents, generation of the electronic archive for digital storage of the scanned documents and their retrieval.