Razsuzhdenīe o ︠i︡azyk︠i︡e Savvinoĭ knigi - Shchepkin, V. N. (V︠i︡acheslav Nikolaevich), 1863-1920 (Sbornik Otd︠i︡elenī︠i︡a russkago ︠i︡azyka i slovesnosti Imperatorskoĭ akademīi nauk, 1901)