17 (2): 384–407. doi:10.1086/346660. Cite journal Last name Raymond Clare Archibald Source date January 1932 Title Florian Cajori 1859-1930 Volume 17 Pages 384–407 DOI 10.1086/346660 ↑ Florian Cajori (ed.), Sir Isaac Newton – Principia, Vol. 1, University of California Press, 1962, p. ix. ↑ UW Madison class album, 1883 1 2 writer, staff.