Café Royal Cocktail Book by W. J. Tarling (1937, p.112)
| 1 dash | lemon juice | acid |
| 0.5 part | bourbon whisky — Seagram's bourbon whisky | base |
| 0.25 part | dry vermouth — French vermouth | modifier |
| 0.25 part | van der hum — Van der Hum | modifier |
- Shake.
Humbug is Seagram's bourbon, Van der Hum, French vermouth, and lemon juice.
Café Royal Cocktail Book by W. J. Tarling (1937, p.112)
| 1 dash | lemon juice | acid |
| 0.5 part | bourbon whisky — Seagram's bourbon whisky | base |
| 0.25 part | dry vermouth — French vermouth | modifier |
| 0.25 part | van der hum — Van der Hum | modifier |
See also: Bug