I.L.C. 12: Memorandum: Foyers permanents et facteurs de transformation de la phase solitaire des acridiens migrateurs dans la phase gregaire by B.N. Zolotarevsky, Chef de la Mission d'Etudes de la Biologie des Acridiens
I.L.C. 22: Memorandum on the occurrence of the Tropical Migratory Locust, Locusta migratoria migratorioides (Reiche & Fairmarie) in the Union of South Africa by Jacobus C. Faure, Director of Locust Research, Union of South Africa
I.L.C. 20: Memorandum on the life-cycle, particularly sexual maturation, in relation to climatic and other factors; methods of study by Rao Sahib Y. Ramachandra Rao, Locust Research Entomologist, Karachi