"Beer: A History of Brewing in Chicago", Bob Skilnik, Baracade Books, 2006 and The National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, [1]
time.com
Von Drehle, David (24 May 2010). "The Demon Drink". New York, New York: Time. hlm. 56. Diarsipkan dari versi asli tanggal 2013-08-21.
ttb.gov
"TTBGov General Alcohol FAQs". United States Alcohol and Tobacco Tax and Trade Bureau. 2006-04. Diarsipkan dari versi asli tanggal 2010-01-04. Diakses tanggal 2010-11-07.Periksa nilai tanggal di: |date= (bantuan)
Von Drehle, David (24 May 2010). "The Demon Drink". New York, New York: Time. hlm. 56. Diarsipkan dari versi asli tanggal 2013-08-21.
"TTBGov General Alcohol FAQs". United States Alcohol and Tobacco Tax and Trade Bureau. 2006-04. Diarsipkan dari versi asli tanggal 2010-01-04. Diakses tanggal 2010-11-07.Periksa nilai tanggal di: |date= (bantuan)