1. RP 781/1 Reference (shelfmark): RP 781/1 Title: Scope & Content: Letter from Charles Darwin to --. Sotheby's, 25 July 1972, lot 363 Creation dates: Undated Collection Area: Western Manuscripts Languages: English Date Range: 31 Jul 1972 Extent: photocopies
2. RP 781/3 Reference (shelfmark): RP 781/3 Title: Scope & Content: Letter from Thomas Carlyle to --. Sotheby's, 25 July 1972, lot 409 Creation dates: 1854 Collection Area: Western Manuscripts Languages: English Date Range: 31 Jul 1972 Extent: photocopies
3. RP 781/2 Reference (shelfmark): RP 781/2 Title: Scope & Content: 7 letters from Sir Richard Owen to R H Horne. Sotheby's, 25 July 1972, lot 483 Creation dates: 1852 - 1883 Collection Area: Western Manuscripts Languages: English Date Range: 31 Jul 1972 Extent: photocopies