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)
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
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)