1. IOR/F/4/824/21901 Reference (shelfmark): IOR/F/4/824/21901 Title: Scope & Content: Completion of the survey of the Straits of Durian by Lieutenant William S Collinson of the Prince of Wales - the final chart is transmitted to London. Collection Area: India Office Records and Private Papers Languages: English Date Range: Apr 1823-Feb 1825 Extent: 1 file