1. IOR/Z/E/4/42/C1426 Reference (shelfmark): IOR/Z/E/4/42/C1426 Title: Customs, Duties, Taxes, Alkali, Proposal to give Mr. Hart proportion of, according to increase of export owing to his discovery and remarks respecting Collection Area: India Office Records and Private Papers Languages: English Date Range: 1824-1830 Extent: 1 entry