Old Mammy's Secret Code
- Leto: 1913
- Država: United States of America
- Žanr: Drама
- Studio: Broncho Film Company
- Ključna beseda: short film
- Direktor: Charles Giblyn
- Igralska zasedba: Louise Glaum, Charles Ray, Ann Little, Minnie Devereaux, Sherman Bainbridge, Edna Robinson