# The Book of Circles : Visualizing Spheres of Knowledge

> 2017 english edition

**Wikidata**: [Q122871090](https://www.wikidata.org/wiki/Q122871090)  
**Source**: https://4ort.xyz/entity/the-book-of-circles-visualizing-spheres-of-knowledge-q122871090


## References

1. [Source](https://www.worldcat.org/en/title/1014169094)
2. Open Library