# Tree ancestors; a glimpse into the past

> Baltimore, Williams & Wilkins, 1923.

**Wikidata**: [Q51431034](https://www.wikidata.org/wiki/Q51431034)  
**Source**: https://4ort.xyz/entity/tree-ancestors-a-glimpse-into-the-past


## References

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