Aristocrats, farmers, proletarians : Essays in Swedish demographic history/ [by] Kurt Agren and others - Esselte studium : Stockholm, 1973 - 119 p. : ill.; 22 cm. - Acta Universitatis Upsaliensis. Studia historica Upsaliensia ; vol. 47 . Includes bibliographies. Subjects--Topical Terms: Social classes--Sweden