General political correspondence, 1906-1936, (fols. 1-16) 'Personal letters from Lloyd George and Asquith, early political correspondence, 1909-1913', including (fol. 8) Lloyd George's commiserations on death of Addison's son Paul, Apr. 1912; (fols. 17-302) 'General/Personal Letters', sample chosen by or for Addison of letters sent to him on parliamentary and other matters, 1906-1936, including (fol. 33) Freemason's certificate, Mar. 1911, (fols. 43-77) Newton Abbot Urban District Council concerning their market, 1924-5, (fols. 166-167) petition by Munitions workers concerning protection during air raids, (fols. 193-219) correspondence concerning Liberal Party groups, 1916-18, (fols. 220-225) Helen, Duchess of Albany, 1919, and (fol. 259) A.W. Lloyd concerning publication of the cartoon, 'The Overloaded Omnibus', 1920, with (fols. 303-414) correspondence, 1918-1920, relating to the granting of honours.