# How to Know the Ferns

> 7th edition (19xx) of the book by Frances Theodora Parsons

**Wikidata**: [Q51491303](https://www.wikidata.org/wiki/Q51491303)  
**Source**: https://4ort.xyz/entity/how-to-know-the-ferns-q51491303


## References

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