2 letters of Charles Darwin to --, about his correspondent's experiments on phloxes and mimuli. Sotheby's sale catalogue, 17 June 1969, lots 438, 439 Creation dates: 1849
2 letters of Horatio, Viscount Nelson, to Francis Drake, British Envoy Extraordinary to the Elector of Bavaria, and (with his right hand) to General Comte Wallis, commander of the Austrian Army on the Italian mainland. Sotheby's sale catalogue, 28-29 April 1969, lots 307, 308 Creation dates: 28...
Literary correspondence between Maria Edgeworth, her father, Richard Lovell Edgeworth, in Edgeworthstown, and Anna Laetitia Barbauld in Stoke Newington. Sotheby's sale catalogue, 23 June 1969, lot 186 Creation dates: 1799 - 1823