Use the visual-ad citation for marketing language and the prose citations for classification, endorsements, and reform context.
Duffy's Pure Malt Whiskey used purity claims, disease claims, longevity testimonials, professional endorsements, tax classification, retail through druggists and grocers, and substitute warnings to present sweetened whiskey as medicine.
Keep Researching until those underlying sources are attached; the advertisement itself is direct visual evidence only of what was claimed.
Legal findings, tax chronology, endorsements, corporate expansion, and ad dates require direct verification from Brian Haara, advertisements, court or tax records, and Samuel Hopkins Adams.
The prose and reproduced advertisement together show the commercial system of claims; the source also reports a proceeding that rejected the product's purity and medicinal positioning.
Created after complete textual and visual review of Doctors and Distillers on 2026-08-26.