Forming conceptual ideas on the librarianship early history in M. I. Slukhovsky’s works

The article is devoted to analysis of the socio-cultural concept origin and formation at the early history of the domestic library science, which main principal positions were proposed by M. I. Slukhovsky. It analyzes Slukhovsky’s professional development as a library scientist and a historian; overviews his major works on the librarianship history. The main emphasis is on a trilogy on the history of librarianship and bibliology in the XI-XVIII centuries.