Newton's “proof” of the sine law and his mathematical principles of colors Johs. Lohne OriginalPaper Pages: 389 - 405
Zur Lösung des 2. Debeauneschen Problems durch Descartes Christoph J. Scriba OriginalPaper Pages: 406 - 419
Nicole Oresme and the commensurability or incommensurability of the celestial motions Edward Grant OriginalPaper Pages: 420 - 458
