41. IOR/R/15/5/393/23 Reference (shelfmark): IOR/R/15/5/393/23 Title: India Office Political and Secret Department Confidential Memoranda: B 392 Wireless Telegraph Stations in the Persian Gulf Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug 1928 Extent: 3pp
42. IOR/R/15/5/381 Reference (shelfmark): IOR/R/15/5/381 Title: Handbook of Yemen, Arab Bureau, Cairo 1917 (1st edn), For official use only Scope & Content: map Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917 Extent: vi,167pp
43. IOR/R/15/5/390 Reference (shelfmark): IOR/R/15/5/390 Title: The Turkish and Pan-Turkish Ideal, Tekin Alp, Constantinople 1917, [1] Secret Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917 Extent: 34pp
44. IOR/R/15/5/387 Reference (shelfmark): IOR/R/15/5/387 Title: Treaties and Undertakings in force between the British Government and the Sultans of Maskat and Oman 1845-1914 Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: 30,32pp
45. IOR/R/15/5/388 Reference (shelfmark): IOR/R/15/5/388 Title: Supplementary List of Undertakings etc of a confidential nature between the Trucial Chiefs of Oman and the British Government 1911-1912 Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: 10,8pp
46. IOR/R/15/5/393/5 Reference (shelfmark): IOR/R/15/5/393/5 Title: India Office Political and Secret Department Confidential Memoranda: B 411 Note on Trade in the Persian Gulf (communicated by the Board of Trade) Collection Area: India Office Records and Private Papers Languages: English Date Range: Jun 1928-Jul 1928 Extent: 4pp
47. IOR/R/15/5/393/6 Reference (shelfmark): IOR/R/15/5/393/6 Title: India Office Political and Secret Department Confidential Memoranda: B 410 Arms Traffic in the Persian Gulf 1908-1928, J. G. Laithwaite Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1928 Extent: 4pp
48. IOR/R/15/5/393/12 Reference (shelfmark): IOR/R/15/5/393/12 Title: India Office Political and Secret Department Confidential Memoranda: B 394 Quarantine Control in the Persian Gulf, J. G. Laithwaite Collection Area: India Office Records and Private Papers Languages: English Date Range: 9 Aug 1928 Extent: 6pp
49. IOR/R/15/5/393/13 Reference (shelfmark): IOR/R/15/5/393/13 Title: India Office Political and Secret Department Confidential Memoranda: B 408 Persian complaints of Smuggling in the Persian Gulf, J. G. Laithwaite Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1928 Extent: 2pp
50. IOR/R/15/5/393/15 Reference (shelfmark): IOR/R/15/5/393/15 Title: India Office Political and Secret Department Confidential Memoranda: B 393 Political Control in the Persian Gulf, J. G. Laithwaite Collection Area: India Office Records and Private Papers Languages: English Date Range: 5 Oct 1928 Extent: 3pp