# Robert T. Orr

> American biologist known for his work as a zoologist and natural historian (1908–1994)

**Wikidata**: [Q7350244](https://www.wikidata.org/wiki/Q7350244)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Robert_T._Orr)  
**Source**: https://4ort.xyz/entity/robert-t-orr


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Virtual International Authority File
4. CiNii Research
5. SNAC
6. Catalogo of the National Library of India