# Richard G. Zweifel

> U.S. herpetologist (1925-2019)

**Wikidata**: [Q3430791](https://www.wikidata.org/wiki/Q3430791)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Richard_G._Zweifel)  
**Source**: https://4ort.xyz/entity/richard-g-zweifel


## References

1. Czech National Authority Database
2. general catalog of BnF
3. Virtual International Authority File
4. CiNii Research
5. [Source](https://bionomia.net/Q3430791/support)
6. [Source](https://digitallibrary.amnh.org/items/709663c6-ee73-48df-8dbd-80748875fa8f)
7. IdRef
8. Library of Congress Control Number
9. National Library of Israel Names and Subjects Authority File
10. [Bionomia](https://bionomia.net/dataset/b929f23d-290f-4e85-8f17-764c55b3b284)