The Harper dictionary of modern thought / - 1st U.S. ed. - New York : Harper & Row, c1977. - xix, 684 p. ; Includes bibliographical references. ISBN: $20.00 LCCN: 74015814 Materias - Términos temáticos: Encyclopedias and dictionaries. LC Class. No.: / .H19 1977 Dewey Class. No.: 031