Famous New Orleans Drinks and How to Mix 'Em by Stanley Clisby Arthur (1938, p.94)

0.5 lemonlemon juice — Lemon juiceacid
1 jiggerrye whiskey — Rye whiskeybase
1 barspoonsugar — Sugarbase
  1. Mix in a bar glass, fill with cracked ice, shake vigorously, strain into a cocktail glass, and serve.

Arthur explicitly identifies it as the old reliable Whiskey Sour.