1. Add MS 89153/23 Reference (shelfmark): Add MS 89153/23 Title: W. Ross Ashby: journal (Volume 23) Scope & Content: Volume 23 (July, 1962 – March, 1967), pp. 6394 – 6677. Pages 6456 and 6635 are missing due to misnumbering. Collection Area: Western Manuscripts Languages: English Date Range: 1962-1967 Extent: 1 file