Autograph commonplace book of Robert Southey containing his collections for the life of George Fox. Sotheby's sale catalogue, 20-21 May 1968, lot 384 Creation dates: Circa 1818
W J Mickle; Providence, The Death of Socrates, The Concubine, and Count Chateaubriant, etc. Autograph. Mostly drafts. Sotheby's sale catalogue, 21 May 1968, lots 357-359 Creation dates: Circa 1760 - 1766
W J Mickle; correspondence with his brother Charles and letters to his sisters. Sotheby's sale catalogue, 21 May 1968, lot 35 Creation dates: 1762 - 1769, undated
Letters to Piero Vettori from former pupils in France. From Phillipps MS 11026. Sotheby's sale catalogue, 25 June 1968, lot 923 Creation dates: 1563 - 1585