Including correspondence between William and Elsie Strang, British Embassy staff in Warsaw and Henrikas Rabinavicius in New York City, about his sisters, Rachel Rabinowitz (also known as Rachel Scher) and Dora Garfunkel, who had survived Stutthof concentration camp in Poland, were being sheltered by Viktoria Hermanowa and her family near Gdansk, and were trying to migrate to the United States, the United Kingdom or Italy, to be reunited with relatives,1946 (19); letters of congratulation from Gerald Isaacs, 2nd Marquess of Reading, 1953-4 (2); a letter of congratulation on his peerage from Robert Gascoyne-Cecil, 5th Marquess of Salisbury, 10 January 1954; a letter from William Seeds, British Ambassador to the Soviet Union, in Moscow, 11 September 1939; a brief letter from John Simon, 1st Viscount Simon, in Ancient Greek, 1 December 1943; letters from Ella Smith about her tour of the Soviet Union, October 1931 (2); letters of congratulation from Samuel Hoare, 1st Viscount Templewood, 1943, 1953 (2); letters from Elsie Thomas, mainly about the League of Nations Section of the Foreign Office, 1930, 1941 (3); and correspondence with Leslie Thornton, about the Metro-Vickers trial and his life in Poland aferwards, 1933-9 (6), with an enclosed memorandum about his escape from Poland, 1939.