The Fielding H. Garrison Lecture. "This greasy counterfeit": butter versus oleomargarine in the United States congress, 1886.
D002079:Butter / Q000266:history*; D003612:Dairying / Q000266:history; D049672:History, 19th Century; D007881:Legislation, Food / Q000266:history*; D008383:Margarine / Q000266:history*; D013660:Taxes / Q000266:history; D014481:United States
D002079:Butter; D008383:Margarine