Barfield, Thomas J. 1950- The central Asian Arabs of Afghanistan : postoral nomadism in transition / by Thomas J. Barfield - Austin : University of Texas Press, 1981 - 182 p. : ill. ; 24 cm. Originally presented as the author's thesis (Ph.D. - Harvard, 1980) Bibliography : p. 171-175 Subjects--Topical Terms: Bedouins--Economic conditions--Afghanistan Subjects--Geographic Terms: Afghanistan--Economic conditions