Potsdam: Gustav Kiepenheuer Verlag, 1921. 1. to 3. Thousand. Hardcover. Quarto. 77 (3) pp. Three-quarter black library tape over turquois boards with black lettering on cover, white on spine, protected by modern mylar. Frontispiece portrait photograph. Authorized translation from the Russian. Divided into three chapters A. Efross' first contribution is..... More