G. Vertue, Notebooks, II, V. 45, B.M. 36, 1706-23, reprinted in The Walpole Society, XX, 1932, p. 36, 'at Keaton [Kiveton] ye Seat of Ld Marquis of Carmarthen - Nottingham shire. a regular Square building brick & stone with offices, Wings, built by. Osborn Du. of Leeds.', in the Hall, 'Ld Marquis of Montros. on horseback a large picture'.
G.A. Walpole, New British Traveller, London, 1782, in the ante-chamber at Kiveton, 'a painting of the Marquis of Montrose, by Vandyke, esteemed one of the finest pieces in England'.
Historical and Descriptive Catalogue of Pictures Belonging to His Grace the Duke of Leeds, privately published, 1902, no. 71, in the Great Hall, unattributed, noting former attributions: "the 1st Marquis of Montrose by Velasquez" and "The Duke of Buckingham by Velasquez".