Author:Willis Grant Johnson
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American entomologist. Editor of the American Agriculturist.
Works[edit]
- An Account of the Destructive Green Pea Louse, and Suggestions for Its Destruction (June 3, 1900) Circular no. 19 of The Maryland State Horticulture Department (external scan)
- Some common injurious plant lice with suggestions for their destruction (June, 1897) Bulletin No. 48 of Maryland Agricultural Experiment Station (external scan)
Some or all works by this author were published before January 1, 1929, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.
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