Cajori, Florian, A History of Mathematics (5th edición), p. 162, ISBN0-8218-2102-4. (Note: The first (1893) edition and its reprints state that Galileo invented the cycloid. According to Phillips, this was corrected in the second (1919) edition and has remained through the most recent (fifth) edition).
Wallis, D. (1695). «An Extract of a Letter from Dr. Wallis, of May 4. 1697, Concerning the Cycloeid Known to Cardinal Cusanus, about the Year 1450; and to Carolus Bovillus about the Year 1500». Philosophical Transactions of the Royal Society of London19 (215–235): 561. doi:10.1098/rstl.1695.0098. (Citado en Günther, p. 5).
Roidt, Tom (2011). Cycloids and Paths (MS). Portland State University. p. 4. Archivado desde el original el 23 de noviembre de 2018. Consultado el 30 de marzo de 2016.
Roidt, Tom (2011). Cycloids and Paths (MS). Portland State University. p. 4. Archivado desde el original el 23 de noviembre de 2018. Consultado el 30 de marzo de 2016.
Günther, Siegmund (1876), Vermischte untersuchungen zur geschichte der mathematischen wissenschaften, Leipzig: Druck und Verlag Von B. G. Teubner, p. 352, OCLC2060559..
de Bouelles, Charles (1503), Introductio in geometriam ... Liber de quadratura circuli. Liber de cubicatione sphere. Perspectiva introductio., OCLC660960655..
Torricelli, Evangelista (1644), Opera geometrica, OCLC55541940..