The collection contains articles devoted to auxiliary historical disciplines and presented in a wide chronological and thematic range. A number of articles deal with the source studies of the monuments of Byzantium, Medieval Russia, the Balkans on the materials of the chronicle news, forms of diplomatic documents and gift monastic certificates .. The collection includes materials on the problems of Russian sphragistics XVIII in . , as well as a comparative-historical analysis of the extant narrative sources of the imperial court of Peter Russia, associated with the Byzantine legal consciousness . A number of articles are devoted to the source research problems of rare materials on the history of the first half of the XX century .. , miraculously preserved in domestic and foreign archives. A large section of the collection consists of materials dedicated to the memory of the outstanding mediaeval scientist O. A. Dobias-Christmas (1874-1939). The articles reflect the modern directions of archeography and codicology, developed by native scientists on the materials of unique manuscripts and documents of the IX-XVI centuries .. , stored in the Russian National Library, the Archive of the St. Petersburg Institute of History of the Russian Academy of Sciences, in the libraries of the Vatican and Escorial. Of interest are the genealogical materials of the family of princes Putyatin in connection with the history of the Holy Sepulchre .. All materials are published for the first time.