<Dd> Red Sea, Arabian Peninsula, Persian Gulf states, Iraq and Iran (c. 1600--1947); </Dd> <Dd> Afghanistan, Russian and Chinese Central Asia, Tibet, Nepal, Bhutan and Sikkim (late eighteenth century to 1947); </Dd> <Dd> Malaya and South - East Asia (to c. 1867); </Dd> <Dd> Indonesia (to c. 1825); </Dd>

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