Café Royal Cocktail Book by W. J. Tarling (1937, p.216)
| 3 dashes | aurum — Aurum | base |
| 0.5 part | bourbon — Bourbon | base |
| 1 dash | Angostura bitters — Angostura | bitter |
| 0.5 part | dry vermouth — Martini Dry Vermouth | modifier |
- Mix.
Westminster
Westminster is bourbon and dry Martini vermouth with Aurum and Angostura.