Arnett, Ross H. How to know the beetles / by Ross H. Arnett, N.M. Downie and H.E. Jaques - 2a. - Dubuque, Iova : Wm.C.Brown Company P. - 416 p. - The Pictures Key Nature Series . LCCN: 198926 Subjects--Topical Terms: Escarabajos Dewey Class. No.: PA 595.76 A7