Althorp Papers. Vols. dclii, dcliii. Letters from Joseph Allen, tutor to Lord Althorp, vicar of Battersea, afterwards Bishop of Bristol (1834) and of Ely (1836); 1800-1834. Two volumes.
Althorp Papers. Vol. dcliv. Letters from Sir John Beckett (afterwards 2nd Bart.), as under secretary at the Home Office; 1807-1817. Political and foreign news and yeomanry matters. Sir John Beckett, 2nd Baronet: Letters, as Under Sec. at the Home Office, to Lord Spencer: 1807-1817.
Althorp Papers. Vol. dclv. Letters from John Bedingfeld, of the Navy Pay Office; 1807-1817. John Bedingfeld, of the Navy Pay Office: Letters to Lord Spencer: 1807-1817.
Althorp Papers. Vols. dclxi, dclxii. Letters from Thomas Grenville (1755-1845), 1st Lord of the Admiralty (1806-1807) and book-collector; 1793-1834. Two volumes.
Althorp Papers. Vol. dclxiii. Letters from William Wyndham Grenville, Baron Grenville; 1794-1833. William Wyndham Grenville, Baron Grenville; Prime Minister: Letters to Lord Spencer: 1794-1833.
Althorp Papers. Vols. dclxiv, dclxv. Letters from Alexander Horne, diplomat; 1794-1819. The letters are written chiefly from Ratisbon and Frankfurt and relate to Horne's role as agent for Spencer's book-collecting. Two volumes.
Althorp Papers. Vol. dclxvi. Letters from: 1. William Wentworth-Fitzwilliam, 4th Earl Fitzwilliam (1748-1833); 1784-1804. Chiefly concerning yeomanry matters. Fitzwilliam was a family connection through his first wife, Charlotte, daughter of William Ponsonby, 2nd Earl of Bessborough, whose brot...
Althorp Papers. Vols. dclxvii, dclxviii. Letters from William Marsden (1754-1836), F. R. S., secretary of civil department and secretary at the Admiralty; 1801-1834. Two volumes.