This article by Nadezhda Milutenko is a part of the book where she presents the study by Shakhmatov of Vladimir the Saint Vitae. Shakhmatov fulfilled the unique research of the literature tradition devoted to the baptizer of Rus' and publication of all important texts, but by 1918 only a half of the book was printed. Now it is published in full at first with supplement of the introductory part by N. Milutenko.