1. IOR/L/PS/20/D160/2/1 Reference (shelfmark): IOR/L/PS/20/D160/2/1 Title: Military report on Siam. Part II - Gazetteer Calcutta: Intelligence Branch, Div of Chief of Staff, 1907 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907 Extent: iii, 180pp maps
2. IOR/L/PS/20/D160/2/2 Reference (shelfmark): IOR/L/PS/20/D160/2/2 Title: Military report on Siam: Additions and corrections, 1912 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912 Extent: 1p