1. Add MS 89159/3/18-20 Reference (shelfmark): Add MS 89159/3/18-20 Title: Notebooks of Solomon Pottesman Collection Area: Western Manuscripts Languages: English Date Range: 1950s-1960s Extent: 3 files
2. Add MS 89159/3/18 Reference (shelfmark): Add MS 89159/3/18 Title: Notebooks of Solomon Pottesman (I) Collection Area: Western Manuscripts Languages: English Date Range: 1950s-1960s Extent: 3 notebooks
3. Add MS 89159/3/19 Reference (shelfmark): Add MS 89159/3/19 Title: Notebooks of Solomon Pottesman (II) Collection Area: Western Manuscripts Languages: English Date Range: 1950s-1960s Extent: 9 notebooks
4. Add MS 89159/3/20 Reference (shelfmark): Add MS 89159/3/20 Title: Notebooks of Solomon Pottesman (III) Collection Area: Western Manuscripts Languages: English Date Range: 1950s-1960s Extent: 2 notebooks