1. IOR/P/241/37 Feb 1793 pp 555-57 Reference (shelfmark): IOR/P/241/37 Feb 1793 pp 555-57 Title: Indigo and fever bark Scope & Content: Letters from Andrew Ross, with papers from Dr William Roxburgh and packages of indigo (from Indigo caerulea leaves) and fever bark ("Swetinia" [Swietenia] Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1793 Extent: 1 file