401. IOR/L/PS/20/B157 Reference (shelfmark): IOR/L/PS/20/B157 Title: Routes in Waziristan, Bannu and Derajat. 1939 New Delhi: General Staff India, 5th edn, 1940 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: viii, 360pp map (in pocket)
402. 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
403. 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
404. 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
405. IOR/L/PS/20/B223/12 Reference (shelfmark): IOR/L/PS/20/B223/12 Title: Amendment list no 4 to routes in Afghanistan, South West (1923) [Delhi: General Staff India, 1940] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: 5pp
406. IOR/L/PS/20/C1A/1 Reference (shelfmark): IOR/L/PS/20/C1A/1 Title: Foreign Office. Correspondence relating to Persia and Affghanistan [1834-1839] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1834-1839 Extent: ii, 206pp
407. IOR/L/PS/20/C91/5 Reference (shelfmark): IOR/L/PS/20/C91/5 Title: Gazetteer of the Persian Gulf, Oman and Central Arabia, vol I, part III. Genealogical trees Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906-1907 Extent: 1 volume
408. IOR/L/PS/20/C141/3 Reference (shelfmark): IOR/L/PS/20/C141/3 Title: Turkey No 1 (1911). Imperial Ottoman Debt. Decree of 28 Muharrem, 1299 (December 8 (20), 1881) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1911 Extent: 37pp
409. IOR/L/PS/20/D160/4 Reference (shelfmark): IOR/L/PS/20/D160/4 Title: Additions to routes and Gazetteer of Siam Simla: [Intelligence Branch, Div of Chief of Staff, 1907 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907 Extent: 2pp
410. IOR/L/PS/20/D167/3 Reference (shelfmark): IOR/L/PS/20/D167/3 Title: Additions and corrections to routes in Tibet, 1910 [Simla: General Staff India, 2nd series, 1918] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1918 Extent: 12pp