1. Morphology and biology of the Green Apple Aphis;Baker;J. agric. Res.,1916
2. Some factors influencing the occurrence of alate forms in certain Aphididae;Brittain;Proc. Acadian ent. Soc.,1921
3. On the occurrence of the parthenogenetic and sexual forms in Aphis rumicis L. with special reference to the influence of environmental factors;Davidson;Ann. appl. Biol.,1929
4. The factors of inheritance and parentage as affecting the ratio of alate to apterous individuals in Aphids;Ewing;Arner. Nut.,1925
5. The migration of the Aphididae and the appearance of the sexual forms as affected by the relative length of daily light exposure;Marcovitch;J. agric. Res.,1924