# Franz Kalckhoff

> German author, chemist and philatelist (1860-1955)

**Wikidata**: [Q1447668](https://www.wikidata.org/wiki/Q1447668)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Franz_Kalckhoff)  
**Source**: https://4ort.xyz/entity/franz-kalckhoff


## References

1. [marriage certificate](https://www.ancestry.de/imageviewer/collections/2957/images/5753_prep555%5E000642-00122?treeid=&personid=&rc=&queryId=0d946099-a0f1-4167-b225-ecb7213b1d4e&usePUB=true&_phsrc=iIb7&_phstart=successSource&pId=190065938)
2. Integrated Authority File
3. Wer ist wer in der Philatelie? (3 ed.)
4. Lexikon der Philatelie (new ed.)
5. [Philatelic Club Hanover website](https://www.bch1886.de/p_hannover_medaille.asp)
6. Virtual International Authority File
7. Geschichte der Philatelie (1 ed.)