# Mary Schäffer Warren

> American artist, photographer, writer, and explorer (1861–1939)

**Wikidata**: [Q18911948](https://www.wikidata.org/wiki/Q18911948)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mary_Schäffer_Warren)  
**Source**: https://4ort.xyz/entity/mary-sch-ffer-warren


## References

1. RKDartists
2. The Stuttgart Database of Scientific Illustrators 1450–1950
3. [Source](https://albertashistoricplaces.wordpress.com/2018/03/07/celebrating-mary-schaffer-warren/)
4. Guide to Plant Collectors Represented in the Herbarium of the Academy of Natural Sciences of Philadelphia
5. [Source](https://bionomia.net/Q18911948)
6. Find a Grave
7. Virtual International Authority File
8. CiNii Research
9. Integrated Authority File
10. Biodiversity Heritage Library
11. NUKAT
12. Women Who Studied Plants in the Pre-Twentieth Century United States and Canada