49. 'The British Position in the Persian Gulf' Date: 1919/1919 Language: English Geographic region: Persian Gulf
50. 'The situation in Turkey, 15th March, 1920' Creator: Author: War Office Date: 1920/1920 Language: English Geographic region: Turkey
51. ‘Relative to certain inaccuracies in the Treaty negotiated with the Imaum of Senna in January 1821 – the stipulation which reduces the duty on imports & exports applied exclusively to English Merchants’ Date: 1821/1824 Language: English Geographic region: AdenMocha
52. ‘Captain Hart’s Mission to the Imaum of Muscat. His report, and a Copy of the Treaty concluded between His Highness and the Americans. Arrival of a French Frigate at Zanzibar for the purpose of negociating New Treaties with the Imaum.’ Date: 1833/1834 Language: English Geographic region: ZanzibarMadagascar
53. 'Exchange of Ratifications of Captain Cogan's Treaty' Date: 1839/1840 Language: English Geographic region: Muscat
54. 'Arms traffic in the Persian Gulf, 1908-1928' Creator: Author: Sir Knight John Gilbert Laithwaite Date: 1928/1928 Language: English Geographic region: Persian GulfMuscat
56. ‘Slave Trade at Zanzibar the Mauritius etc’ Date: 1819/1823 Language: English Geographic region: BourbonZanzibarJohanna