A bibliography of quassia /
Busbey, Ruth L. (Ruth Lawless), 1909-1990
United States. Office of Experiment Stations.
[Washington, D.C.] :[U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine],
"E-483 ; June 1939."
At head of title: United States Department of Agriculture. Bureau of Entomology and Plant Quarantine.
Expanding Access to Biodiversity Literature
Find in a local library