отобрал, снабдил примечаниями и очерком истории "Вперед," Борис Сапир = "Vpered!" 1873-1877 : from the Archives of Valerian Nikolaevich Smirnov / edited, annotated and with an outline of the history of "Vpered" by Boris Sapir ; т. 1, т. 2. -- D. Reidel, c1970. -- (Russian series on social history).