Althorp Papers. Vols. mdcccvi. Correspondence with Frederick George Brabazon Ponsonby, 6th Earl of Bessborough, rel. to Ireland, Harrow, etc; 1856-1857, 1869-1874, 1880-1887.
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...
Althorp Papers. Vol. mdcccxii. Correspondence with: 1. Richard Edmund St. Lawrence, 9th Earl of Cork, rel. to Irish affairs and politics; 1868-1874, 1880-1903. 2. Sir Ulick John, 14th Earl and 1st Marquess of Clanricarde; 1869-1873. For original index see KS465. 3. James Molyneux, 3rd Earl of...