Notes, papers and correspondence relating to Lady Younghusband's intellectual pursuits, particularly her interest in Eighteenth Century French history and her book Marie-Antoinette: her early youth 1770-1774 (1912)
Copies of Christie's sale Catalogue of the Renowned Collection of Works of Art chiefly formed by the late Hollingworth Magniac, Esq (known as the Colworth Collection)
Inventory of Lady Younghusband's furniture in store; photographs of various articles of furniture; letters from S Y Young & Son concerning furniture in store Dated as: 1906; 1911; c1937
Sotheby's sale Catalogue of the Remaining Contents of Chesterfield House, Mayfair (once owned by Mr Magniac) and loose papers relating to the history of the house [See also Nos 660-661] Dated as: 1932-34; 1902