N. Petrovsky ; translated from the Russian by Horace E. Isakson. N.M. Pokrovsky, translated from the Russian by I. V. Savin. G. Mirsky ; translated from the Russian by Boris Kuznetsov. M. Vygodsky ; translated from the Russian by George Yankovsky. I.S. Gonorovsky ; translated from the Russian by N. Utkin. S. M. Nikolsky ; translated from the Russian by V. M. Volosov. V.V. Petrov ; translated from the Russian by A.A. Brown. A.I. Kitaigorodsky ; translated from the Russian by George Yankovsky. N. Piskunov ; translated from the Russian by George Yankovsky. I. Perepechko ; translated from the Russian by Artavaz Beknazarov.