# Leander Sylvester Keyser

> writer and ornithologist

**Wikidata**: [Q18910980](https://www.wikidata.org/wiki/Q18910980)  
**Source**: https://4ort.xyz/entity/leander-sylvester-keyser


## References

1. Project Gutenberg
2. Biodiversity Heritage Library
3. Faceted Application of Subject Terminology