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1936. Complete information on cube and related plants. 
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350. 
1937. Tephrosia as an insecticide — A review of the literature. 
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1937. New publication on Tephrosia. U. S. Dept. Agr., Bur. 
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353. 
1938. Is cube equal to derris as an insecticide? U. S. Dept. 
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1936. A third index of patented mothproofing materials. 
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355. ROBIN, P. 
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356. ROBINSON, L. A. 
1936. Note on the estimation of rotenone in British Guiana 
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357. ROBINSON, R. H. 
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