Warsaw: Yakshvoskis "Populer Visnshaftlekhe Bibliotek" 1931. Hardbound. Octavos, black cloth with gold lettering, soiling to the boards and fraying at the spine ends, 263 + 264-455 + 456-658 pp., yellowed paper. Translated into Yiddish from the Russian by Y. Rapoport. From the second Russian edition.
Warsaw: Farlag Goldfarb, 1927. Hardbound. Octavo, black cloth spine with the original paper covers over the boards, 211-357 pp., ink-stamps on the endpapers. Translated into the Yiddish from the English (probably) by Shlomo Sheynberg. The second of three volumes all of which are quite rare.