1. Add MS 89153/34 Reference (shelfmark): Add MS 89153/34 Title: W. Ross Ashby: manuscript (‘Collected statistical equations’) Scope & Content: ‘Collected statistical equations’ (1928 – 1972). Hardback notebook. 425 pages of handwritten text including index. Collection Area: Western Manuscripts Languages: English Date Range: circa 1950 Extent: 1 file