New York: Columbia University, 1917. First edition. Professor Efros was a Rabbi, Hebrew poet, professor of semantics at University of Buffalo and, later, rector of Tel Aviv University. He also translated many of the great English poets into Hebrew. Columbia University Oriental Studies Series, Vol. XI; 125 pages. More
London: Trubner, 1880. First edition. Introductoru Preface by Rev. F.W. Farrar; With Notes and Copious Indexes; 461 pages. More
Jerusalem: Research Centre of Kabbalah, 1978. Second printing. With two Commentaries Sufficient for the Beginner called: Inner Reflection and Inner Light, and an explanatory glossary of questions and answers by Rabbi Yehuda L. Ashlag; Translated by Levi I. Krakovsky; 131 pages. More
New York: Farrar, Straus, & Giroux, 1980. First edition. Illustrated with 23 etchings by Ira Moskowitz; 95 pages. More
Cincinnati: Robert Clarke, 1891. First edition. 193 pages. More