Peter Crüger
Peter Crüger or Peter Krüger (20 October 1580 – 6 June 1639) was a mathematician, astronomer, polymath, and teacher of Johannes Hevelius. Provided by Wikipedia
1
Published: 1996;, [2009]
2
3
Published: 2017;, 2018.
Superior document: Deutsche Geschichtsquellen des 19. und 20. Jahrhunderts
4
Published: 1955