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.
Althorp Papers. Vol. dclxix. Begging letters and petitions to Lord Spencer, with annotations referring them to the Mendicity Office, Red Lion Square, for investigation of the truth of the claims made in them, with the Office's reports on the cases as worthy of charity or otherwise; 1825-1833. Th...