# Pieter Dirkszoon Keyser

> Dutch navigator and astronomer

**Wikidata**: [Q961926](https://www.wikidata.org/wiki/Q961926)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pieter_Dirkszoon_Keyser)  
**Source**: https://4ort.xyz/entity/pieter-dirkszoon-keyser


## References

1. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
2. [Source](https://link.springer.com/referenceworkentry/10.1007/978-0-387-30400-7_753)
3. Freebase Data Dumps. 2013