Althorp Papers. Vol. mcxcv. Cash book: Althorp and Chapel Brampton Farms; June 1836-June 1837, with an enclosed list of bullocks bought in March 1837 (not autograph), and barometer readings and calculations.
Althorp Papers. Vol. mcc. Cash book: Althorp Farm; June 1841. With an enclosed printed paper regarding an exhibition by the Yorkshire Agricultural Society.