Harry of Ciro's ABC of Mixing Cocktails by Harry of Ciro's (1923, p.81) — San Sebastian
| 0.5 lime | lime juice — Juice of half a lime. | acid |
| 1 glass | brandy | base |
| 1 teaspoonful | Citron syrup — Syrup Citron | base |
| Soda water — Soda | dilution | |
| 1 glass | Ponche-Soto | modifier |
- Shake well and strain into medium-sized wine glass.
- Fill the balance with soda.
This matters because it preserves a named San Sebastian long drink in the London 1923 layer.