1. RP 344 Reference (shelfmark): RP 344 Title: Scope & Content: 2 letters of Charles Darwin to --, about his correspondent's experiments on phloxes and mimuli. Sotheby's sale catalogue, 17 June 1969, lots 438, 439 Creation dates: 1849 Collection Area: Western Manuscripts Languages: English Date Range: 8 Jul 1969 Extent: 10 photographs