Possibly Anon., 'Pictures and Articles of Curiosity', in Inventory of the Contents of Warwick Castle, (Warwickshire Record Office CR1886/466), ms., circa 1800, n.p. ('Rubens – head, school of '), hanging in the chapel passage, or ('Rubens – head of an old man'), in the Compass Window;; Possibly Anon., Inventory of the Contents of Warwick Castle, ms., 1806, in the Compass Window;; Possibly W. Field, An Historical and Descriptive Account of Leamington Spa, Warwick 1815, either p. 204 ('Head of an old man, by Rubens'), in the Compass Window; or p. 208 ('Head - in the manner of Rubens'), as in the Chapel passage, side opposite the window;; Possibly H. T. Cooke, An Historical and Descriptive Guide to Warwick Castle…, Warwick 1847, p. 81 (‘Head of St. Peter, by VanDyck’), in the Passage and Staircase;; Possibly W. Kendall, Inventory of Warwick Castle, ms., 1853, in the Boudoir;; Anon, Inventory of Warwick Castle, ms., circa 1860, in the Boudoir;; Possibly F. E. Warwick, ‘Warwick Castle’, in The Pall Mall Magazine, vol. XI, January – April 1897, p. 39 (‘Head of St Jerome by Rubens’), in the Boudoir; or p. 39 (‘Head of an Old Man by Rubens’), in the Compass Room;; Possibly Anon, Inventory of the contents of Warwick Castle, ms., 1900, in the Chapel Passage and Compass Room.