Originally published in Encyclopaedia Judaica, Decennial Book 1973-1982 (1982), pp. 635-6. Hasidic work; full title, Zava’at Ribash ve-Hanhagot Yesharot (“The Testimony of Ribash [Rabbi Israel Ba’al Shem] and Upright Rules of Conduct”), published in Zolkiew in 1793. (Another Zolkiew edition, which may be earlier, is undated.) The title page ambiguously states that the manuscript was in the possession…