Doctour of Phisikes Tale
in Chaucer, is the Roman story of Virginius, given by Livy. There is a version of this tale in the Roman de la Rose, vol. ii. p. 74; and another, by Gower, in his Confessio Amantis, book vii.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894