History History -- 27 Islamic Empire -- 22 Islamic civilization 16 Arabs -- 13 Islam -- 12 Politics and government 7 more ... Caliphs 6 Civilization 6 Civilization, Arab -- 5 Fatimites -- 5 Abbasids 4 Biography 4 Intellectual life 4 Islamic Empire 4 Antiquities 3 Arab countries -- 3 Arabian Peninsula -- 3 Foreign relations -- 3 Islamic civilization -- 3 Islamic countries -- 3 Kings and rulers 3 Tribes -- 3 Umayyad dynasty 3 Authorities 2 Ayyubids 2 Civilization, Arab 2 Civilization, Western 2 Dissertations 2 Dissertations, Academic 2 less ...