McWilliams, James E <br/><br/>
"The horizon opened up very greatly": Leland O. Howard and the transition to chemical insecticides in the United States, 1894-1927.  [electronic resource] 

 -  Agricultural history  2008 
 - 468-95 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0002-1482 
<br/><br/><label>Standard No.: </label>10.3098/ah.2008.82.4.468  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arsenic Poisoning--economics<br/>Chemical Industry--economics<br/>Conservation of Natural Resources--economics<br/>Consumer Advocacy--economics<br/>Crops, Agricultural--economics<br/>DDT--economics<br/>Entomology--economics<br/>Environment<br/>Food Industry--economics<br/>Food Supply--economics<br/>Government Programs--economics<br/>History, 19th Century<br/>History, 20th Century<br/>Insect Control--economics<br/>Insecticides--economics<br/>Lead Poisoning--economics<br/>Pesticides--economics<br/>Public Health--economics<br/>Public Policy<br/>United States--ethnology