'Book of Intromissions with the rents of Rosline by a factory for Generall Sinclair' of John Mackenzie, Writer to the Signet, concerning the family of St Clair of Sinclair., 1746-1757., MS.1463. Correspondence and papers of the Mackenzies of Delvine and their clients., MSS.1101-1530. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/48595 Accessed September 23, 2024.