Remains of Gemarot and Halachot of the Rif printed by the Jews of Spain and Portugal before the Expulsion and the generation after it, published by the Rabbinical Beit Midrash in America, edited by Rav Dr. Haim Zalman Dimitrovsky. New York 1979. Two original cardboard boxes with more than 500 facsimile pages, not bound. Book has introduction with historical and bibliographic explanations. Very good condition.