1. IOR/L/PS/11/54, P 1871/1913 Reference (shelfmark): IOR/L/PS/11/54, P 1871/1913 Title: P 1871/1913 North-Eastern Frontier: surveys in Abor and Mishmi territory; progress of Dibong valley survey Collection Area: India Office Records and Private Papers Languages: English Date Range: 27 Feb 1913-23 Mar 1913 Extent: 1 file