Darwin, Charles. The expression of the emotions in man and animals / Charles Darwin ; edited by Francis Darwin. - 2nd ed., digitally printed version - New York ; Cambridge : Cambridge University Press, 2009. - viii, 394 p. : ill. ; 22 cm. Includes bibliographical references and index. ISBN: 9781421260464 Subjects--Topical Terms: Emotions.Expression.Facial expression.Psychology, Comparative. LC Class. No.: QP401 / .D37 2009 Dewey Class. No.: 612.8/232