# Quassiin as a contact insecticide

> Washington, D.C.: U.S. Dept. of Agriculture, 1914.

**Wikidata**: [Q51382955](https://www.wikidata.org/wiki/Q51382955)  
**Source**: https://4ort.xyz/entity/quassiin-as-a-contact-insecticide


## References

1. Biodiversity Heritage Library
2. Internet Archive