1. IOR/L/PS/20/MEMO43/1 Reference (shelfmark): IOR/L/PS/20/MEMO43/1 Title: British interests on the coast of Arabia, Koweit, Bahrein, and El Katr R Ritchie, [Political and Secret Dept, India Office], 30 Jan 1905 Collection Area: India Office Records and Private Papers Languages: English Date Range: 30 Jan 1905 Extent: 4pp
2. IOR/L/PS/20/MEMO43/2 Reference (shelfmark): IOR/L/PS/20/MEMO43/2 Title: The arms traffic [with annotations] [?J E Shuckburgh, Political and Secret Dept, India Office, 12 Dec 1906] Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Dec 1906 Extent: 7pp
3. IOR/L/PS/20/MEMO43/3 Reference (shelfmark): IOR/L/PS/20/MEMO43/3 Title: Memorandum respecting British interests in the Persian Gulf Foreign Office, 12 Feb 1908 Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Feb 1908 Extent: 121pp 2 maps
4. IOR/L/PS/20/MEMO43/4 Reference (shelfmark): IOR/L/PS/20/MEMO43/4 Title: Supplementary memorandum respecting British interests in the Persian Gulf [with annotations] Foreign Office, 18 Mar 1908 Collection Area: India Office Records and Private Papers Languages: English Date Range: 18 Mar 1908 Extent: 34pp map
5. IOR/L/PS/20/MEMO43/5 Reference (shelfmark): IOR/L/PS/20/MEMO43/5 Title: Appendix T. The arms and ammunition traffic in the Gulfs of Persian and Oman [memorandum prepared by J G Lorimer and others, 1906-08, for Gazetteer of the Persian Gulf ... (1915)] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915 Extent: 25pp