Protections, privileges, and patents: intellectual property in American horticulture, the late nineteenth century to 1930.
Kevles
Daniel J
DJ
Yale University, USA.
D000383:Agriculture / Q000266:history* / Q000331:legislation & jurisprudence; D049672:History, 19th Century; D049673:History, 20th Century; D018973:Intellectual Property; D010330:Patents as Topic / Q000266:history*; D014481:United States