Encyclopaedia of Islam Online
Includes the complete 2nd edition (EI2) and the in-progress 3rd edition (EI3). Both editions are searched automatically, in both Arabic transcription and English. Geographical and historical scope encompasses the Arab-Islamic Empire, the Islamic countries of Iran, Central Asia, the Indian sub-continent and Indonesia, the Ottoman Empire, and all modern Islamic states. Contains articles, figures, drawings, genealogical tables, maps, and fully-searchable biographies.