# John A. Campbell

> Ph.D.

**Wikidata**: [Q98236266](https://www.wikidata.org/wiki/Q98236266)  
**Source**: https://4ort.xyz/entity/john-a-campbell-q98236266


## References

1. Integrated Authority File
2. Find a Grave
3. Mathematics Genealogy Project
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. NACSIS-CAT
6. CiNii Research
7. LIBRIS
8. NUKAT
9. Library of Congress Authorities