Williams, John George, 1913- A field guide to the butterflies of Africa [by] John G. Williams. With 24 color plates by the author. - [1st American ed.] - Boston : Houghton Mifflin, 1971 [c1969] - 238 p. : ill. (part col.) ; 20 cm. Includes bibliographical references and index. LCCN: 73-146203 Subjects--Topical Terms: Butterflies-- Identification.--Africa, Sub-SaharanButterflies-- Identification. Dewey Class. No.: 595.78/9/096