The Gentleman's Companion, 1946
Add to iced tumbler, shake and strain into a cocktail glass:
1/3 Italian vermouth2/3 Plymouth Gin1 dash of absinthe
The Old Waldorf-Astoria Bar Book
With room for over 200 tastings, provides novices and experts with a primer in absinthe history and facts, as well as instructions on how to conduct scorings and blind tastings.