1. IOR/F/4/637/17525 Reference (shelfmark): IOR/F/4/637/17525 Title: Proposal of Surgeon Thomas Hope of HMS Gannymede that opium and nitrous acid should be used as a cure for cholera Scope & Content: Includes accounts of the use of these substances. Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1821-Feb 1822 Extent: 1 file