Philip Riden:Outram, Benjamin (bap. 1764, d. 1805), civil engineer and ironmaster. In: Henry Colin Gray Matthew, Brian Harrison (Hrsg.): Oxford Dictionary of National Biography, from the earliest times to the year 2000 (ODNB). Oxford University Press, Oxford 2004, ISBN 0-19-861411-X;doi:10.1093/ref:odnb/20959(Lizenz erforderlich), Stand: 2004.
