31. IOR/L/PS/20/B178 Reference (shelfmark): IOR/L/PS/20/B178 Title: Photographs of sketches by Sir Edward Law Durand while with the Afghan Boundary Commission, and related papers, plus printed maps and sketches of various landscapes Collection Area: India Office Records and Private Papers Languages: English Date Range: c 1860s-c 1890s Extent: 4 albums, 2 folders, and 2 printed maps
32. IOR/L/PS/20/B182 Reference (shelfmark): IOR/L/PS/20/B182 Title: A dictionary of the Pathan Tribes on the North-West Frontier of India Calcutta: General Staff India, 1910 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1910 Extent: ii, 264pp
33. IOR/L/PS/20/B185/1 Reference (shelfmark): IOR/L/PS/20/B185/1 Title: Routes north of the Kabul River. 1927 Simla: General Staff India, 4th edn, 1928 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: xxi, 240pp map (in pocket)
34. IOR/L/PS/20/B185/2 Reference (shelfmark): IOR/L/PS/20/B185/2 Title: Corrections to routes north of the Kabul River, 1927 Simla: General Staff India, 2nd series, 1930 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930 Extent: 25pp
35. IOR/L/PS/20/B185/3 Reference (shelfmark): IOR/L/PS/20/B185/3 Title: Routes north of the Kabul River, 1937. Amendment list no 1, December 1938 [Simla]: General Staff India, 1939 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939 Extent: 79pp]
36. IOR/L/PS/20/B192/1 Reference (shelfmark): IOR/L/PS/20/B192/1 Title: Indian route book, vol I, part III. Routes south of Kabul River Calcutta: [General Staff India], 1919 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919 Extent: i, 231pp map (in pocket)
37. IOR/L/PS/20/B192/2 Reference (shelfmark): IOR/L/PS/20/B192/2 Title: Corrections to routes south of the Kabul River, 1919 Simla: General Staff India, 2nd series, 1925 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925 Extent: 1p
38. IOR/L/PS/20/B192/3 Reference (shelfmark): IOR/L/PS/20/B192/3 Title: Corrections to routes south of the Kabul River, 1919 Simla: General Staff India, 3rd series, 1925 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925 Extent: 14pp
39. IOR/L/PS/20/B197/1 Reference (shelfmark): IOR/L/PS/20/B197/1 Title: Military report on the Mohmand Country Calcutta: General Staff India, 1926 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926 Extent: viii, 63pp 3 maps (in pocket)
40. IOR/L/PS/20/B197/2 Reference (shelfmark): IOR/L/PS/20/B197/2 Title: Military report on the Mohmand Country. Part II. Gazetteer Simla: General Staff India, 1939 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939 Extent: ii, 146pp