1. IOR/L/PS/20/E82 Reference (shelfmark): IOR/L/PS/20/E82 Title: Field notes. Aden Protectorate Calcutta: General Staff India, 1917 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917 Extent: [iii], 34pp 2 maps (in pocket)
2. IOR/L/PS/20/E76 Reference (shelfmark): IOR/L/PS/20/E76 Title: Routes in Arabia Simla: General Staff India, 1915 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915 Extent: xiii, 817pp map (in pocket)
3. IOR/L/PS/20/E79 Reference (shelfmark): IOR/L/PS/20/E79 Title: Handbook of Asir Cairo: Arab Bureau, 1st edn, 1916 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1916 Extent: [iii], 169pp map
4. IOR/L/PS/20/E80 Reference (shelfmark): IOR/L/PS/20/E80 Title: Handbook of Yemen Cairo: Arab Bureau, 1st edn, 1917 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917 Extent: vi, 167pp map
5. IOR/L/PS/20/E55 Reference (shelfmark): IOR/L/PS/20/E55 Title: Military report on the Aden Protectorate Simla: General Staff India, 1915 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915 Extent: vii, 298pp figs sketch maps 2 maps (in pocket)
6. IOR/L/PS/20/E87 Reference (shelfmark): IOR/L/PS/20/E87 Title: Military report on Egypt London: General Staff, [Director of Military Operations and Intelligence, War Office], 1926 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926 Extent: 240pp 5 maps (in pocket)
7. IOR/L/PS/20/E93 Reference (shelfmark): IOR/L/PS/20/E93 Title: Alarms and excursions in Arabia. By Bertram Thomas London: George Allen & Unwin Ltd, 1931 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931 Extent: 296pp maps illus
8. IOR/L/PS/20/E73 Reference (shelfmark): IOR/L/PS/20/E73 Title: Nouvelle géographie universelle. La terre et les hommes. Par Elisée Reclus. Vol X. L'Afrique septentrionale. Premi Ëre partie: Bassin du Nil, Soudan …gyptien, …thiopie, Nubie, …gypte. Paris: Librairie Hachette et C'ie, 1885 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885 Extent: 641pp maps illus
9. IOR/L/PS/20/E59/1 Reference (shelfmark): IOR/L/PS/20/E59/1 Title: An account of the Arab tribes in the vicinity of Aden Bombay: Govt of Bombay, 1909 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1909 Extent: ii, 356pp 14
10. IOR/L/PS/20/E88 Reference (shelfmark): IOR/L/PS/20/E88 Title: Report by Sir Gilbert Clayton on his mission to the Imam of San'a London: Colonial Office, 1926 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926 Extent: 60pp