1. IOR/L/PS/20/D160/3/1 Reference (shelfmark): IOR/L/PS/20/D160/3/1 Title: Military report on Siam. Part III - Routes Calcutta: Intelligence Branch, Div of Chief of Staff, 1907 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907 Extent: vii, 213pp
2. IOR/L/PS/20/D160/3/2 Reference (shelfmark): IOR/L/PS/20/D160/3/2 Title: Military report on Siam: Additions and corrections, 1913 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1913 Extent: 1p