Althorp Papers. Vols. mdccci-mdcccv. Correspondence with John George Brabazon, 5th Earl of Bessborough. Also includes material relating to the Clifden Trust (see Clifden below); 1857-1879, n.d. For original index see KS504. Five volumes.
Althorp Papers. Vol. mdcccvii. Correspondence with: 1. George Charles Bingham, 3rd Earl Lucan; 1857-1870. 2. William Ulick Tristram St. Lawrence, Viscount St. Lawrence, later 4th Earl Howth; 1868-1874.
Althorp Papers. Vol. mdcccviii. Correspondence with Sir Valentine Augustus Browne, Viscount Castlerosse, later the 4th Earl of Kenmare, Vice Chamberlain; 1864, 1869-1903, n.d. For original index see KS497.
Althorp Papers. Vol. mdcccxi. Correspondence with: 1. Augustus Frederick Fitzgerald, 3rd Duke of Leinster; Lord Lieu. and Custos Rotulorum of co. Kildare; grand master of the Freemasons, Ireland; re Prince of Wales's visit, Prince Consort's memorial etc.; 1868-1874. 2. Charles William Fitzgera...