1. Add MS 88918/121/5 Reference (shelfmark): Add MS 88918/121/5 Title: Mark Purdey Scope & Content: Partly typewritten and printed, partly autograph letters, research notes and papers sent to Hughes by the organic farmer, Mark Purdey who conducted research into the causes of bovine spongiform encephalopathy (BSE ). Collection Area: Western Manuscripts Languages: English Date Range: 3 Feb 1987-14 Aug 1995 Extent: 1 folder