# The Apodidæ, a morphological study

> edition published by London, Macmillan and Co., 1892.

**Wikidata**: [Q51442836](https://www.wikidata.org/wiki/Q51442836)  
**Source**: https://4ort.xyz/entity/the-apodid-a-morphological-study


## References

1. Biodiversity Heritage Library
2. [Source](https://archive.org/details/apodidmorpholo00bern/page/n12/mode/1up)
3. Internet Archive
4. Library of Congress Online Catalog