 The main purpose of the study group was to preserve a wide range of ancient sources about history and culture of the Russian State and to use that range in social and scientific circulations.Due to Musin-Pushkin, zeal for artefacts of the past got – for the first time in Russia – hitherto unseen scale, organization and insistence to find various sphere of sources, including materials for history of 18th century.Yaroslav the Wise (Yaroslav Mudry's) Russkaya Pravda ("The Russian Truth"), Vladimir II Monomakh's "Moral", Musin-Pushkin's own work about Tmutarakan princedom's location and Laurentian Codex (Lavrenty's annals) were made ready for publishing there.