Simonson, Robert. The Old-Fashioned: The Story of the World's First Classic Cocktail, with Recipes and Lore. Photographs by Daniel Krieger. Berkeley: Ten Speed Press, 2014.
Book's sour-mash aside is an unreliable process definition; cross-check with Heaven Hill's separate backset and yeast steps.
Robert Simonson, The Old-Fashioned: The Story of the World's First Classic Cocktail, with Recipes and Lore (Berkeley: Ten Speed Press, 2014), Displayed book p. 29; PDF screen 34.
Displayed book p. 29; PDF screen 34
Simonson, The Old-Fashioned, Displayed book p. 29; PDF screen 34.
Chapin, Gore, and Proulx
Checked against the complete supplied 194-screen capture. Citation proves what Simonson wrote; historical firsts, dated availability, sensory universals and food-service claims require independent validation.
Use boundary
Cite Simonson for this book's dated presentation or for the existence of the printed recipe/version. Do not treat an attributed historical origin or service protocol as independently verified.