CARPENTER, Louise. An Unlikely Countess: Lily Budge and the 13th Earl of Galloway. [s.l.]: Harper Perennial, 2005. 288 s. Dostupné online. S. 8, 78. (anglicky)
kentuckystewarts.com
AN UNLIKELY COUNTESS: Lily Budge and the 13th Earl of Galloway. web.archive.org [online]. 2013-09-25 [cit. 2021-12-17]. Dostupné v archivu pořízeném z originálu dne 2013-09-25.
telegraph.co.uk
announcements.telegraph.co.uk
STEWART - Deaths Announcements - Telegraph Announcements. announcements.telegraph.co.uk [online]. [cit. 2021-12-17]. Dostupné v archivu pořízeném z originálu dne 2021-12-17.
web.archive.org
AN UNLIKELY COUNTESS: Lily Budge and the 13th Earl of Galloway. web.archive.org [online]. 2013-09-25 [cit. 2021-12-17]. Dostupné v archivu pořízeném z originálu dne 2013-09-25.
STEWART - Deaths Announcements - Telegraph Announcements. announcements.telegraph.co.uk [online]. [cit. 2021-12-17]. Dostupné v archivu pořízeném z originálu dne 2021-12-17.