Bland, Roger G. How to know the insects / Roger G. Bland, H. E. Jaques. - 3d ed. - Dubuque, Iowa : W. C. Brown Co., c1978. - xi, 409 p. : ill. ; 24 cm. - The Pictured key nature series . Second ed. by H. E. Jacques. Includes index. Bibliography: p. 36-37. ISBN: 0697047539. 0697047520 Subjects--Topical Terms: Insects -- Identification. Insects -- Classification. Dewey Class. No.: 595.7 BLA