# Freshwater sponges, hydroids & Polyzoa

> London, Taylor and Francis, 1911.

**Wikidata**: [Q51379951](https://www.wikidata.org/wiki/Q51379951)  
**Source**: https://4ort.xyz/entity/freshwater-sponges-hydroids-polyzoa


## References

1. Biodiversity Heritage Library
2. Library of Congress Control Number
3. Library of Congress Online Catalog