My copy of this book has very worn covers. It has been well read and has little scraps of paper as bookmarks. It is stamped a number of times with the stamp of its previous owner, Rabbi Tzvi Hirsch Ferber. Rabbi Ferber was born in Kovno in 1879. He was a renowned Torah and Talmudic … Continue reading What was Rabbi Tzvi Hirsch Ferber of London reading? Sefer Ohr Hatzvi by Rabbi Tzvi Hirsch Barlas, Lublin, 1875.