Althorp Papers. Vol. mmdccvii. Catalogue of Georgiana, Countess Spencer's library at Holywell House, St. Albans. It was formed from the books which were saved from the fire at Wimbledon; 1785.
Althorp Papers. Vol. mmdccix. Catalogue of the pamphlets in the library at Althorp on the Civil and Ecclesiastical affairs of Great Britain and Ireland in chronological order; [circa 1805?].
Althorp Papers. Vol. mmdccx. List of books in the Althorp library compiled by C. Bruce. Included are notes on individual books and on the formation of the library; 1875.
Althorp Papers. Vol. mmdccxiii. George Appleyard's catalogue of the books which belonged to William Stephen Poyntz and were inherited by his daughter, Isabella, Marchioness of Exeter; n.d.