E. Ballard

Comparative toxicity of ten insecticides against the cat flea, Ctenocephalides felis (Siphonaptera: Pulicidae).

F. Knapp, K. Schwinghammer, E. Ballard, 1985, Journal of medical entomology.

A list of the more important insect pests of crops in the Nyasaland Protectorate.

E. Ballard, 1914 .

The Life-history of Tectacoris lineola , F., and its Connection with Internal Boll Rots in Queensland

F. Holdaway, E. Ballard, 1926 .

A preliminary Note on the Life-history of certain Anthomyiad Flies, Atherigona spp. and Acritochaeta excisa, Thomson.

Y. R. Rao, E. Ballard, 1924 .

Some Insects associated with Cotton in Papua and the Mandated Territory of New Guinea

E. Ballard, 1927 .