Pearson, E. O. A report on the status and control of insect pests of cotton in the Lower River districts of Nyasaland, - Zomba, Printed by the Govt. Printer, 1945. - 48 p. diagrs. 33 cm. LCCN: 52043377 Subjects--Topical Terms: Cotton--Diseases and pests.Insect pests--Malawi. LC Class. No.: SB608.C8 / P4 Dewey Class. No.: 632