Dynamics of Marriage Distances among the Ahmadiyyas
Published in Current Anthropology, Vol. 22, No. 5 (Oct., 1981), pp. 572-573, The University of Chicago Press on behalf of Wenner-Gren Foundation for Anthropological Research
http://www.jstor.org/stable/2742290
An anthropological study of the Ahmadiyya in Kashmir and statistics on village endogamy over the decades.