"id","author_first1","author_last1","title","year","publication","place","keyword0","keyword1","keyword2","keyword3","keyword4","type" "1883","Tomas","Gerholm","Market, Mosque and Mafraj: Social Inequality in a Yemeni Town","1977","Stockholm Studies in Anthropology 5","Stockholm","Coffee","Economy","History","Manakhah","Qat","report"