2002، pp. 159, 167; Englefield، Seaton و White 1995، pp. 169–174; RoyalSocietyofEdinburgh 2006، p. 375; Tout 1910، p. ۷۴۱. Disraeli 1855; Eccleshall و Walker
(2006). Former Fellows of The RoyalSocietyofEdinburgh, 1783 – 2002: Biographical Index Part One (PDF). RoyalSocietyofEdinburgh. p. 7. ISBN 0-902198-84-X
Biographical Index of Former Fellows of the Royal SocietyofEdinburgh 1783–2002 (PDF). The RoyalSocietyofEdinburgh. July 2006. ISBN 0-902-198-84-X. Archived