# John A. Clark

> 19th-century writer

**Wikidata**: [Q21546519](https://www.wikidata.org/wiki/Q21546519)  
**Source**: https://4ort.xyz/entity/john-a-clark-q21546519


## References

1. Annals of the American Pulpit
2. Virtual International Authority File
3. Faceted Application of Subject Terminology
4. Project Gutenberg