21. Add MS 88956/2/59 Reference (shelfmark): Add MS 88956/2/59 Title: Scope & Content: Proof pages numbered 251-500. Collection Area: Western Manuscripts Languages: English Date Range: [1972 or 1973] Extent: 1 file
22. Add MS 88956/2/60 Reference (shelfmark): Add MS 88956/2/60 Title: Scope & Content: Proof pages numbered 501-744. Collection Area: Western Manuscripts Languages: English Date Range: [1972 or 1973] Extent: 1 file
23. Add MS 88956/2/43 Reference (shelfmark): Add MS 88956/2/43 Title: Scope & Content: Notebook I Collection Area: Western Manuscripts Languages: English Date Range: [1970] Extent: 1 notebook
24. Add MS 88956/2/44 Reference (shelfmark): Add MS 88956/2/44 Title: Scope & Content: Notebook II Collection Area: Western Manuscripts Languages: English Date Range: [1970] Extent: 1 notebook
25. Add MS 88956/2/45 Reference (shelfmark): Add MS 88956/2/45 Title: Scope & Content: Notebook III Collection Area: Western Manuscripts Languages: English Date Range: [1970] Extent: 1 notebook
26. Add MS 88956/2/46 Reference (shelfmark): Add MS 88956/2/46 Title: Scope & Content: Notebook IV Collection Area: Western Manuscripts Languages: English Date Range: [1970] Extent: 1 notebook
27. Add MS 88956/2/54 Reference (shelfmark): Add MS 88956/2/54 Title: Scope & Content: Chapters 7-12 Collection Area: Western Manuscripts Languages: English Date Range: [1972] Extent: 1 file
28. Add MS 88956/2/55 Reference (shelfmark): Add MS 88956/2/55 Title: Scope & Content: Chapters 13-16. Collection Area: Western Manuscripts Languages: English Date Range: [1972] Extent: 1 file
29. Add MS 88956/2/56 Reference (shelfmark): Add MS 88956/2/56 Title: Scope & Content: Chapters 17-20. Collection Area: Western Manuscripts Languages: English Date Range: [1972] Extent: 1 file
30. Add MS 88956/2/58 Reference (shelfmark): Add MS 88956/2/58 Title: Scope & Content: Preliminaries, illustrations and proof pages numbered 1-250 Collection Area: Western Manuscripts Languages: English Date Range: [1972 or 1973] Extent: 1 file