Catalogue of the Marlborough gems, being a collection of works in cameo and intaglio, formed by George, 3rd [or, rather, 4th] Duke of Marlborough, purchased by the late David Bromilow ... the property of Mrs. Jary: which will be sold ... by Messrs. Christie, Manson & Woods ... on ... June 26, 1899, etc. [With plates.]
Spencer, George, 4th Duke of Marlborough.
London, 
[1899]