# O. A. Hills

> born 1837; died 1919

**Wikidata**: [Q73824776](https://www.wikidata.org/wiki/Q73824776)  
**Source**: https://4ort.xyz/entity/o-a-hills


## References

1. Indiana Authors and Their Books 1819-1916
2. Open Library
3. Faceted Application of Subject Terminology
4. Indiana Authors and their Books, 1967-1980
5. Harvard Index of Botanists
6. hymnary.org