RT Article T1 Hadhramaut: A Religious Centre for the Indian Ocean in the Late 19th and Early 20th Centuries? JF Studia Islamica VO 89 SP 165 OP 183 A1 Freitag, Ulrike 1962- LA English PB Brill YR 1999 UL https://www.ixtheo.de/Record/1688580182 K1 Coasts K1 Economic Development K1 Learning K1 Mosques K1 Oceans K1 Pietism K1 Sufism K1 Teachers K1 Viziers DO 10.2307/1596090