Drew Roy

85年），古希腊毕达哥拉斯学派哲学家之一，约于公元前450年前往底比斯。现存一些残篇归其名下，例如地球非宇宙中心说。 Lesley Adkins,Roy A.Adkins（1998）. Handbook to Life in Ancient Greece.Oxford University Press

Handbook to Life in Ancient Greece.Oxford University Press,USA.ISBN 9780195124910. Diogenes Laërtius, Life of Polemo, translated by Robert Drew Hicks (1925)

Life in Ancient Greece.Oxford University Press,USA.ISBN 9780195124910. Diogenes Laërtius, Life of Clitomachus, translated by Robert Drew Hicks (1925)

University of St Andrews, Scotland, Biography of Xenocrates （页面存档备份，存于互联网档案馆） Diogenes Laërtius, Life of Xenocrates, translated by Robert Drew Hicks (1925)

Handbook to Life in Ancient Greece.Oxford University Press,USA.ISBN 9780195124910. Diogenes Laërtius, Life of Crantor, translated by Robert Drew Hicks (1925)