Calendar of the manuscripts of the Marquis of Salisbury, preserved at Hatfield House, Hertfordshire : [the Cecil manuscripts]. - Guiseppi, Montague; Lockie, D. McN.; Owen, Geraint Dyfnallt.; Roberts, Richard Arthur; Salisbury, Edward.; Salisbury, Robert Cecil (TannerRitchie Publishing in collaboration with the Library and Information Services of the University of St Andrews, 2008)