1. Lansdowne MS 18/48 Reference (shelfmark): Lansdowne MS 18/48 Title: Scope & Content: 48. Wm. Humphrey, Assay Master, to Lord Burghley; concerning transmutation, of metals, &c. Dec. 22, 1574. Collection Area: Western Manuscripts Languages: English Date Range: 22 Dec 1574 Extent: 1 item