Scott, Bruce L. (1997). "Review of Science and the Medieval World: "Book of the Categories of Nations" by". Journal of Near Eastern Studies. 56 (3): 218–220. doi:10.1086/468562. JSTOR545654.
Scott, Bruce L. (1997). "Review of Science and the Medieval World: "Book of the Categories of Nations" by". Journal of Near Eastern Studies. 56 (3): 218–220. doi:10.1086/468562. JSTOR545654.
worldcat.org
De Weever, Jacqueline (1988). Chaucer name dictionary : a guide to astrological, Biblical, historical, literary, and mythological names in the works of Geoffrey Chaucer. New York: Garland. ISBN9780815323020. OCLC26673949.
Andalusī, Ṣāʻid ibn Aḥmad (1991). Science in the medieval world : book of the Categories of nations. Salem, Semaʻan I., 1927-, Kumar, Alok, 1954- (1st ed.). Austin: University of Texas Press. ISBN0292704690. OCLC23385017.