Estes, Richard J. The Social progress of nations [Texte imprimé] / Richard J. Estes - New York: Praeger Publishers, 1984 - XVI-223 p. ; 24 cm - Praeger special studies (Praeger Publishers, New York) . - Praeger special studies (Praeger Publishers, New York) . Bibliogr. p. 211-222 ISBN: 0-03-059582-7 Dewey Class. No.: 303.44