# Washington County Historical Society, Ohio

> historical society in Marietta, Ohio, United States of America

**Wikidata**: [Q107672727](https://www.wikidata.org/wiki/Q107672727)  
**Source**: https://4ort.xyz/entity/washington-county-historical-society-ohio


## References

1. [Source](https://www.ohiomuseums.org/Public/Public/Ohio_Museums_Guide.aspx)
2. [Source](https://ohiolha.org/member_organization/)
3. [Source](https://www.wchshistory.org/contact-1)
4. [Source](https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf)
5. [Nonprofit Explorer](https://projects.propublica.org/nonprofits/organizations/316039450)
6. Nonprofit Explorer