Correspondence of and concerning the Earl of Gifford, being correspondence with his parents and sisters, and correspondence concerning his marriage, last illness and death., 1840-1862., MS.14442. Papers of the Hays of Yester formerly preserved at Yester House., MSS.14401-14827. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/35860 Accessed September 25, 2024.