A. Oswald, 'Ditchley - II. Oxfordshire. The Seat of Mr. Ronald Tree', Country Life, 16 June 1934, p. 625, fig. 6.
C. Hussey, English Country Houses: Early Georgian 1715-1760, London, 1955, p. 70, fig. 94. The photographs were taken just before the 1933 sale; the illustrated chair could be any one of the set of eight.
J. Cornforth, 'Ditchley Revisited', Country Life, 24 October 1985, p. 1174, fig. 3, 'A watercolour of the hall by Sebriakoff' [this watercolour sold from the estate of Marietta Tree, Christie's, New York, 17 October 1992, lot 27].
J. Cornforth, 'Ditchley Park, Oxfordshire - I: The Property of the Ditchley Foundation', Country Life, 17 November 1988, p. 104, fig. 11.