Sadie-Mazo was the pseudonym of an artist who illustrated French BDSM/flagellation novels by Jean Vergerie in the 1930s (or possibly earlier — pics on Wikimedia Commons say the year 1918).
The name is clearly a variation of sadomasochism.
- La Clinique des cauchemars (1937)
- L'Enfer des voluptés (1937)
- L'Île des vamps (1938)