# Essentials of biology presented in problems

> Cincinnati [etc.]American book company[c1911]

**Wikidata**: [Q51434486](https://www.wikidata.org/wiki/Q51434486)  
**Source**: https://4ort.xyz/entity/essentials-of-biology-presented-in-problems


## References

1. Biodiversity Heritage Library
2. Internet Archive
3. Library of Congress Online Catalog
4. Source