Igrot tsafon, tishah asar mikhtavim al davar ha-Yahadut.
Vilna: Be-Dafus Ha-Almanah veha-Ahim Rom, 1890. Hardbound. Octavo, mildly worn leather spine, shelfworn marbled paper covered boards, 244 pp., errata, soiling to the endpapers. Text is in Hebrew. More