1. Nicotine insecticides: pt. 4. Preliminary toxicity tests with nicotinium salts [with list of literature cited]: by E. L. Mayer, L. Weil, D. H. Saunders, and C. F. Woodward. Bookmark Corporate/Agency Authors: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department Publisher: Entomology and Plant Quarantine Bureau Date: May 1917 SuDoc number: A 77.312:E-725