Charles Butler, d. 1647. -- Dict. nat. biog., vol. 3 and NUC pre-1956 imprints, vol. 87, p. 323-324.
With: Oratoriae libri duo. Quorum alter ejus de finitionem, alter partitionem explicat: in usum scholarum recens editi / authore Carolo Butlero. Oxoniae : Excudebat Guilielmus Turner, 1629. [132] p.
Microfilm. Ann Arbor, Mich. : University Microfilms, 1953. On reel 2 of 16 microfilm reels ; 35 mm. (British and continental rhetoric and elocution ; Reel 2, no. 17-18.).