Includes: photograph of Winston Churchill with MS in an open topped car during their visit to Belgium, November 1945; copy of a letter from MS to Susan Rhys Williams (later Susan Glyn) from her ATS Auxiliary Territorial Service] battery, Belgium, Apr 1945; correspondence with a survivor of Belsen who had met MS when she visited the camp in 1945; letter from Clementine Churchill to donors to her Aid to Russia Fund; letter from MS to Emma Soames congratulating her on her O levels, 1965; copies of letters from Clementine Churchill to Elizabeth Navarro [nurse and companion of Bernard Baruch] and Baruch, 1949-74; photographs of the Churchill family at Chequers [Buckinghamshire, ? 1941 for Churchill's 67th birthday], and of MS in uniform, c 1943-44; notes and photographs on the Chateau de Bordaberry, Hendaye [France], where the Churchills stayed in July 1945; letters from Robert Rhodes James on writing CS's biography; letters from MS to Nannie (Hilda King); copies of picture research on MS; letter from MS to Churchill, March 1943, on his recovery from pneumonia and her work at an ATS firing practice camp in Whitby, Yorkshire; photographs of MS, Churchill and Clementine at Niagara Falls, Canada, Aug 1943, in Williamsburg, Virginia, and aboard HMS Renown, Sept 1943, on their return from Canada and the United States, including MS cutting her 21st birthday cake with a midshipman's dirk; extracts on the visit, with a copy of a letter of thanks from MS to President Franklin Roosevelt; photographs of MS's ATS battery in Hyde Park [London]; photographs of MS and Churchill aboard HMS Duke of York, Dec 1941; press cuttings on MS joining the ATS.