Sumner, William Graham, 1840-1910., Folkways : a study of the sociological importance of usages, manners, customs, mores, and morals / by William Graham Sumner with a special introduction by William Lyon Phelps. - xv, 605 pages ; 19 cm. - Mentor books, MT297 . Bibliography: p. 570-583. Subjects--Topical Terms: Manners and customs.