The chemical compsition of insecticides and fungicides.
Subtitle: With an account of the methods of analysis employed.
By: By J.K. Haywood ... In cooperation with the Division of Entomology.
Series: U.S. Dept. of Agriculture. Bureau of Chemistry. Bulletin -- no. 68; Bulletin (United States. Bureau of Chemistry) -- no. 68.
Publisher: Govt. Print. Off.
Published: 1902
Place of publication: Washington
Subjects: Fungicides.; Insecticides.