Café Royal Cocktail Book by W. J. Tarling (1937, p.157)
| 0.33 part | Benedictine | base |
| 0.33 part | Scotch whisky — Scotch whisky | base |
| 0.33 part | ginger ale | dilution |
- Mix.
Oh! Henry is Benedictine, Scotch whisky, and ginger ale.
Café Royal Cocktail Book by W. J. Tarling (1937, p.157)
| 0.33 part | Benedictine | base |
| 0.33 part | Scotch whisky — Scotch whisky | base |
| 0.33 part | ginger ale | dilution |