几何学家欧几里得、其門徒歐布利德斯混為一談。歐幾里得的作品現多已亡佚,其中的哲學多包含其師蘇格拉底的思想。 Mates, Benson. StoicLogic. Berkeley: University of California Press. 1973 [1953]. ISBN 0-520-02368-4
Hist. Philos. Logic 13 (2) (1992), 133–148. Christoph Jedan (2009) Stoic Virtues: Chrysippus and the Theological Foundations of Stoic Ethics. Continuum