Emmel, Thomas C. Butterflies, their world, their life cycle, their behavior / text by Thomas C. Emmel ; edited by Edward S. Ross ; photos. by Edward S. Ross ... [et al.] ; drawings by Walter Hortens - New York : Knopf, 1975 - 244, [16] p. : ill. ; 32 cm. "A Chanticleer Press edition." Includes bibliographical references and index ISBN: 0394499581 : USD 35.00 Subjects--Topical Terms: Butterflies--Pictorial works Dewey Class. No.: 595.789