A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931
By: by R.C. Roark.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 120; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 120.
Publisher: U.S. Dept. of Agriculture
Published: 1932
Place of publication: Washington, D.C
Language: eng
Number of pages: 86
Subjects: Dalbergia -- Bibliography.; Insecticidal plants -- Bibliography.; Insecticides.
Genres: Bibliography.
Notes: Caption title.

Includes indexes.