（Κράτωρ), a freedman of M. Aurelius Verus, wrote a history of Rome from its foundation to the death of Verus, in which the names of the consuls and other magistrates were given. (Theophil. ad Antolyc. iii. extr.)
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.