Althorp Papers. Vols. mcccxxiii-mcccxxxiii. Notebooks and exercise books, apparently from George Spencer's later school years, on various academic subjects, particularly Ancient Greek and Latin literature; 1816-circa 1818. Eleven volumes.
Althorp Papers. Vols. mcccxxxvii-mcccxli. Volumes containing pencil sketches of buildings and landscapes of England, Scotland and Italy, many with autograph titles; 1814-1820, n.d. Five volumes.
Althorp Papers. Vols. mcccxxxiv-mcccxxxvi. Notebooks containing detailed notes on topography, antiquities and works of art, mainly in Italy; 1820. Signed on covers. Three volumes. 199 x 125mm. Paper covers.