Moscow: 1964. Hardcover. Near Fine. Two volumes, complete. Text entirely in Russian. Bound in original burgundy cloth. A very clean, bright and solid set.

London: Cambridge University Press, 1955. Hardcover. Fine / Near Fine. Original purple cloth, lettered in gilt on the spine. The dust jacket is clipped, else fine. A stressed text edition, in Russian, with an introduction by E. R. Sands.