The contents are as follows.

(i) General correspondence, 1836-1904, including family letters and diplomatic material not included with the bound series. Correspondents include Colonel the Honourable Frederick Arthur Wellesley, General Sir Henry Frederick Ponsonby, and the 4th Earl of Minto (folio 1);

(ii) Miscellaneous papers, 1822-1838, undated (folio 180).