This interesting book uses some of the 3,100 'Responsa' (questions and answers) of Rabbi Solomon Ben Adreth of Barcelona (known as RaSHBA) as a source of the history and communal life of the Jews in Spain, particularly Aragon in the 13th century CE.  It was the Ph.D. thesis of Rabbi Dr. Isidore Epstein, and probably … Continue reading The Responsa of Adreth, Rabbi Dr. Isidore Epstein, London, 1925 →