Igeret rav Sherira Gaon: mesuderet be-shene nusha'ot, nusah Sefarad ve-nusah Tsarfat, im hilufe ha-girsa'ot.
Jerusalem: Makor, 1972. Hardbound. Octavo, tan cloth with gold lettering, 72, 136, xxxii, 46 pp. Text is in Hebrew with an essay by Binyamin Menasheh Levin at the rear. More