English, Camper. Doctors and Distillers: The Remarkable Medicinal History of Beer, Wine, Spirits, and Cocktails. New York: Penguin Books, 2022.
Duffy's disease, purity, substitute, retail-channel, and price claims.
Camper English, Doctors and Distillers: The Remarkable Medicinal History of Beer, Wine, Spirits, and Cocktails (New York: Penguin Books, 2022), PDF sheet 202.
Camper English, Doctors and Distillers: The Remarkable Medicinal History of Beer, Wine, Spirits, and Cocktails (New York: Penguin Books, 2022), PDF sheet 202.
PDF sheet 202
English, Doctors and Distillers, PDF sheet 202.
Chapter 7 — Duffy's Pure Malt Whiskey advertisement
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