4. Of Colophon, is mentioned by Varro (de R. R. 1.1), Columella (1.1), and Pliny among the Greek writers on agriculture; but he is otherwise unknown.
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.