1. Paul Dresch, Tribes, Government, and History in Yemen ( Oxford: Clarendon Press, 1993 ).
2. Hamad al-Jasir, “Lamahat wa intiba’at ‘an mushahadati fi alsarawat,” al Arab 24 (1989): 58–71.
3. Hamad al-Jasir and idem, “Harb qabilah qahtaniyya al-asl imtazajat biha furu’ ‘adnaniyya,” al-Arab 25 (1990): 545–551.
4. Barrington Moore, Moral Purity and Persecution in History ( Princeton: Princeton University Press, 2000 ).