Key, Ellen Karolina Sofia, 1849-1926. The woman movement / by Ellen Key ... tr. by Mamah Bouton Borthwick, A.M.; with an introduction by Havelock Ellis - New York : G. P. Putnam's Sons, 1976 - xvii, 224 p. ; 20 cm. eng und Subjects--Topical Terms: Women--Social conditionsFeminism