Information sur la source
Ancestry.com. Thoughts on the Disqualification of the Eldest Sons of the Peers of Scotland [base de données en ligne]. Provo, UT, USA: Ancestry.com Operations, Inc., 2012.Données originales : Alexander Lord Saltoun. Thoughts on the Disqualification of the Eldest Sons of the Peers of Scotland - Saltoun 1788. London, England: T Cadell.
