About the book: 2013 / Published according to the publication of Mariengof A. B. “This is for you, descendants!”, “Notes of a forty-year-old man,” “Ekaterina” (novel), SPb.: Petro-RIF, 1994, which in turn is printed from one of two typewritten copies stored in the manuscript department of the Russian National Library (Marienhof fund, items 14 and 15).