First volume "Select labours" of academician Nikolay Petrovich Лихачева (1869-1936) consists of two producing of "Materials for history Byzantine and Russian сфрагистики". These works matter very much for the study of history of medieval Rus and contiguous with her countries of X - XV вв. Thorough knowledge of author of "Materials" in auxiliary historical disciplines to this are considered unsurpassed. His special labours sanctified to description printing, chinks, icons, filigrees, writing and material monuments of the past about the origin of Russian gentlefolks laid the durable foundation of such disciplines, as сфрагистика, numismatics, филиграноведение and genealogy. They are a standard and for modern researchers.For specialists-historians, источниковедов, сфрагистов, numismatists and genealogists, and also wide circle of the readers interested in medieval by history of Byzantium, Russia and Eastern Europe.