Jones, George D. Grasshopper outbreaks in Missouri - Lafayette, Missouri : Agri. Exp. Sta., 1939 - 32 p. - Missouri. Agri. Exp. Sta., Bull. ; 406 . - Missouri. Agri. Exp. Sta., Bull. ; 406 . 75-235 LCCN: 10944 Subjects--Topical Terms: Chapulines.