1. Sloane MS 993 Reference (shelfmark): Sloane MS 993 Title: Scope & Content: Lieutenant Gedeon Bonnivert, son of Paschall and Judith Bonnivert of Sedan in Champagne: Treatise on the elements of Geometry and Fortification with Diagrams. Collection Area: Western Manuscripts Languages: English Date Range: 17th century Extent: 1 item