Papers of Dorothy, Lady Addison, 1930-1960, (fols. 1-7) receipts for papers given by Dorothy, Lady Addison, to the Cabinet Office, 1952, and (fols. 8-16) miscellaneous letters to Dorothy, Lady Addison, 1954-1960, including (fol. 16) draft letter to Michael Addison, n.d.; (fols. 17-215) carbon copy of 'Looking Glass Land', n.d., unpublished memoir by Dorothy, Lady Addison, including information relating to Christopher Addison, with (fols. 216-283, 289-308) notebook and other drafts of literary work, n.d., and (fols. 284-288) correspondence between Dorothy and her family, 1960, with (fols. 309-344) correspondence between Christopher Addison and others concerning the granting of honours to Harold Michelmore, 1930-1936.