Includes:
-letter from Martin Hardie, dated 18 June 1949, concerning an acknowledgement Hardie made to Oppé in his book [removed from inside front cover]
Item removed from: Hardie, M., Oppé, A.P. (former owner.) and Hardie, M. (donor.) (1949) English water-colours of the XVIIIth century : a preliminary guide for the collector with forty-one illustrations. London: The National Magazine Co. Ltd. (Connoisseur booklets) [Available in the Paul Mellon Centre's Library, see URL below]