One or more of the preceding sentences incorporates text from a publication now in the public domain: Joseph Jacobs (1901–1906). "Jacob ben Judah Ḥazzan of London". In Singer, Isidore; et al. (eds.). The Jewish Encyclopedia. New York: Funk & Wagnalls.Jewish Encyclopedia bibliography: H. Adler, in Papers of the Anglo-Jewish Historical Exhibition, p. 276, London, 1888; idem, in Steinschneider Festschrift, pp. 241–242; D. Kaufmann, as above and in J. Q. R. v. 353–374.