Encyclopaedia of Islam, 2nd editionThe Encyclopaedia of Islam. New ed., prepared by a number of leading orientalists. Edited by an editorial commmittee consisting of H. A. R. Gibb [and others]. Leiden, Brill, 1960 [i.e. 1954]-2008. 13 v. illus., plates, fold. maps (part col.) diagrs., plans. 26 cm.