The Encyclopaedia of Islam - Gibb, H. A. R. (Leiden : Brill, 1960)
Includes separately issued, cumulative supplements.
Includes bibliographies, and indexes (proper name and subject) issued separately and updated periodically.
Keywords: Islamic civilization -- Encyclopedias; Islam -- Encyclopedias; Islam; Islam; Islamic civilization; Islam; Islamic countries -- Encyclopedias; Islamic countries; Encyclopedias; Encyclopedias