1. Lansdowne MS 1-1245 Reference (shelfmark): Lansdowne MS 1-1245 Title: Lansdowne Manuscripts Scope & Content: Manuscripts collected by William Petty, 1st Marquess of Lansdowne (d 1805). Includes papers of William Cecil, Lord Burghley. Collection Area: Western Manuscripts Languages: English, Greek, Modern, and Latin Date Range: c 1200 -c 1700 Extent: 1245 manuscripts