E.J. Brill's first encyclopaedia of Islam 1913-1936 - Houtsma, M. Th. (Martijn Theodoor) 1851-1943. (Leiden E.J. Brill, 1987)
Previous ed. entitled: The Encyclopaedia of Islam. Leiden: E.J. Brill, 1913-1938.
Keywords: Islam -- Dictionaries; Islamic countries -- Dictionaries and encyclopedias