Richard Oram

對於這一切，見Oram，David，第62–64頁；對於Princeps Cumbrensis，見Archibald Lawrie，Early Scottish Charters Prior to A.D. 1153，（Glasgow，1905年），注釋46. Richard Oram，The Lordship

Scottish Society for Northern Studies. 2021, 52: 22–37.  Forte, Angelo, Richard Oram, & Pedersen, Frederik, Viking Empires. Cambridge University Press. 2005

Edinburgh University Press, Edinburgh, 2002. ISBN 0-7486-1626-8 Oram, Richard（英语：Richard Oram）, David I: The King Who Made Scotland. Tempus, Stroud, 2004

Curthose, Duke of Normandy, London: Humphery Milford, 1920  Fawcett, Richard & Oram, Richard, Melrose Abbey, Stroud, Gloucestershire: Tempus Publishing Ltd

2003. ISBN 1-86232-236-8 Oram, Richard, David I: The King Who Made Scotland. Tempus, Stroud, 2004. ISBN 0-7524-2825-X Oram, Richard, The Canmores: Kings &