Sochinenīe Dzhulʹsa Fletchera "Of the Russe common wealth" kak istoricheskīĭ istochnik - Seredonin, S. M. (Sergeĭ Mikhaĭlovich), 1860-1914 (Zapiski Istoriko-filologicheskago fakulʹteta Imperatorskago s.-peterburgskago universiteta, 1891)