# Gerhard Heisler

> German photographer

**Wikidata**: [Q1355629](https://www.wikidata.org/wiki/Q1355629)  
**Source**: https://4ort.xyz/entity/gerhard-heisler


## References

1. ADAGP/CISAC membership list at 07/01/2019
2. Integrated Authority File
3. ADAGP directory