Althorp Papers. Vols. miii-mvi. Notebooks, marked 'H.T.' on cover, with original numbering, apparently recording House of Lords business; 1788. Autograph. Four volumes. Average size being 117 x 88 mm.
Althorp Papers. Vols. cmlxxvii-cmlxxx. Books containing accounts of a similar nature, one entitled 'Taylor's Abstract of Althorp Bills'; 1802-1810. Four volumes.
Althorp Papers. Vols. cmlxxxiv, cmlxxxv. Abstracts of the accounts of Richard Harrison and John Shaw Lefevre; 1808-1831. Partly autograph. Two volumes.
Althorp Papers. Vol. mviii. Volume, mostly autograph, with a few later entries in another hand, containing details of the dimensions and growth rates of several trees in Althorp Park; 1793-1928. 270 x 215 mm.