1. Add MS 34504 Reference (shelfmark): Add MS 34504 Title: Scope & Content: Vol. I, ff. 232, 29 Mar. 1689- 6 Sept. 1696. William III and Mary II of England: Letters to A. Heinsius: 1689 - 1702.: Fr.: Copies. Collection Area: Western Manuscripts Languages: French Date Range: 29 Mar 1689-6 Sep 1696 Extent: 1 item