# Marie Sinclair

> Spiritualist and theosophist, editor

**Wikidata**: [Q2269891](https://www.wikidata.org/wiki/Q2269891)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Marie_Sinclair,_Countess_of_Caithness)  
**Source**: https://4ort.xyz/entity/marie-sinclair


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb13002654n)
2. [WeChangEd](https://www.wechanged.ugent.be/wechanged-database/)
3. The Peerage
4. Virtual International Authority File
5. Oxford Dictionary of National Biography
6. Library of Congress Control Number