U istokov russkoĭ sovetskoĭ literatury, 1917-1922 - Groznova, N. A. (Natalʹ︠i︡a Aleksandrovna); Pavlovskiĭ, A. I. (Alekseĭ Ilʹich); Timofeeva, V. V.; Bazanov, V. V. ("Nauka," Leningradskoe otd-nie, 1990)