SHACKLETON, Ernest Henry (1874-1922). Autograph letter signed ('Ernest H. Shackleton') to 'My dear Sutton', London, 10 March n.y., referring to a photograph, a book which has not been 'taken up', and some American addresses, one page, 8vo, on paper with printed heading of British Antarctic Expedition 1907; with a card with facsimile signature of J.B.L. Noel, Mount Everest Expedition 1924. (2)