Ephorus (ĕf´ərəs), c.405–330 BC, Greek historian, b. Cyme in Aeolis; pupil of Isocrates. His chief work is a universal history, in 30 books, of which only fragments survive, arranged by subjects. He was widely quoted by the ancients, notably by Diodorus Siculus.
"Ephorus." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (March 24, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ephorus
"Ephorus." The Columbia Encyclopedia, 6th ed.. . Retrieved March 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ephorus