1. Carruth, L. A. and W. L. House “Factor effecting the use and phytotoxicity of DDT and other insecticides for squash borer control,”Jour. Econ. Ent., 1948,31 (3), 352–55.
2. Dudley, J. E. .. “Phytotoxicity of DDT dusts and sprays to truck crops in Wisconsin,”W.S. Bur. Ent. and Plant Quar., 1947, E-715.
3. Mathhewman, W. G., D. G. Harcourt, L. M. Cass and W. G. Friend “The varietal reactions of cucumbers to DDT and Methoxychlor dusts,”Can. Ent., 1950,82 (5), 102–11.
4. Tate, H D., R. E. Hill and D. B. Gats “Experiments with DDT conducted by Department of Entomology, Univ. of Nebraska” W. S.Bur. Ent. and Plant Quar., 1945, E-644e.
5. Underhill, G. W. .. “Experiments with DDT conducted by Virginia Agr. Expt. Sta.,”Ibid., 1945, E-644b.