Thomas A. Shipka
(1984). A critique of anarchism. Studies in East European Thought, 27 (3), 247-261. https://doi.org/10.1007/BF00831906.
(1975). Sartre on the individual in the historical dialectic. Studies in East European Thought, 15 (3), 219-224. https://doi.org/10.1007/BF01045005.