# The classification of insects from embryological data

> Washington, Smithsonian institution, 1850

**Wikidata**: [Q51456675](https://www.wikidata.org/wiki/Q51456675)  
**Source**: https://4ort.xyz/entity/the-classification-of-insects-from-embryological-data


## References

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