# John Sack

> American writer, journalist and mountaineer (1930 - 2004)

**Wikidata**: [Q951922](https://www.wikidata.org/wiki/Q951922)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Sack)  
**Source**: https://4ort.xyz/entity/john-sack


## References

1. Integrated Authority File
2. Virtual International Authority File
3. data.bibliotheken.nl
4. Bionomia
5. International Standard Name Identifier
6. CiNii Research
7. Freebase Data Dumps. 2013
8. Open Library
9. Czech National Authority Database
10. IdRef
11. Goodreads
12. Harvard Index of Botanists
13. National Library of Israel Names and Subjects Authority File
14. [Bionomia](https://bionomia.net/dataset/861e6afe-f762-11e1-a439-00145eb45e9a)