# Peter Dirck Keyser

> American ophthalmologist (1835–1897)

**Wikidata**: [Q7173679](https://www.wikidata.org/wiki/Q7173679)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Peter_Dirck_Keyser)  
**Source**: https://4ort.xyz/entity/peter-dirck-keyser


## References

1. [Source](https://books.google.com/?id=QsdKAAAAYAAJ&pg=PA292)
2. [The Times](https://www.newspapers.com/clip/64644315/dr-p-d-keysers-death/)
3. Virtual International Authority File
4. Faceted Application of Subject Terminology
5. The Times
6. [Source](https://www.newspapers.com/clip/64644315/dr-p-d-keysers-death/)
7. SNAC