Bryson, Lew. American Whiskey Master Class: The Ultimate Guide to Understanding Bourbon, Rye, and Other American Whiskeys. Beverly, MA: The Harvard Common Press, 2025.
Four Roses uses intentionally varied mash-bill, yeast, and barrel components in blending for a consistent whiskey profile.
Lew Bryson, American Whiskey Master Class (2025), chap. 6, “The Secret Partner,” “Four Roses: The Seagram Way”.
Bryson, Lew. American Whiskey Master Class: The Ultimate Guide to Understanding Bourbon, Rye, and Other American Whiskeys. Beverly, MA: The Harvard Common Press, 2025. chap. 6, “The Secret Partner,” “Four Roses: The Seagram Way”.
chap. 6, “The Secret Partner,” “Four Roses: The Seagram Way”
Bryson 2025, chap. 6, “The Secret Partner,” “Four Roses: The Seagram Way”
chap. 6, “The Secret Partner,” “Four Roses: The Seagram Way”
2026-09-16 locator audit: reader locator checked against the supplied 368-sheet ebook. Internal retrieval: PDF sheets 115; these are not printed page numbers. Supersedes legacy locator 115–115. Chapter/section identification is verified; this does not independently validate every historical, legal, or scientific claim in the passage. Earlier verification notes retained below: Bibliographic metadata and locator verified against the uploaded PDF; rendered PDF p. 115 visually checked on 2026-08-24.
Source and locator
Bryson, American Whiskey Master Class, PDF p. 115, “Four Roses: The Seagram Way.”
Supported use
Provides direct blending evidence for the Claim that consistency is produced by managing variation.
Verification checklist
September 29 source audit
Checked against the supplied 2025 edition, 368 PDF sheets: PDF sheets 115–116, chap. 6, “The Secret Partner,” “Four Roses: The Seagram Way”. These are digital-file coordinates, not printed pagination. The section locator in the formatted citation remains usable.
This is an attributed production example, not an experiment isolating yeast effects.
Evidence: Four Roses blends designed variation into consistency.