1. IOR/L/PS/11/239, P 886/1923 Reference (shelfmark): IOR/L/PS/11/239, P 886/1923 Title: P 886/1923 Sikkim: application of Messrs Harper Bros, Consulting Engineers, with reference to a proposed mining concession in Sikkim Collection Area: India Office Records and Private Papers Languages: English Date Range: 7 Mar 1923-17 Mar 1923 Extent: 1 file