49. ‘Book No 157 Old Index From May 1847 To November 1849’ Vol 157 Secret letters outward Date: 1847/1849 Language: English Geographic region: Trucial CoastBahreinMuscat
50. 'Book No 271' [Resident's Tour: Reports for 1858 and 1859] Date: 1858/1863 Language: English Geographic region: Socotra
52. ‘Book 131’ Secret letters inward Date: 1840/1841 Language: English Geographic region: Trucial CoastZanzibarKarrack (island)Nos Beh (island)
53. 'Book 133' Secret letters inward Date: 1841/1842 Language: English Geographic region: Trucial CoastKarrack (island)Eastern Africa
54. 'Book 140 1843' letters inward Date: 1843/1843 Language: English Geographic region: Trucial Coast
55. 'Book 141 1844-1849' secret letters inward Date: 1843/1848 Language: English Geographic region: Eastern Africa
58. ‘Book 153 1847’ Vol 153 Letters inward Date: 1847/1847 Language: English Geographic region: Eastern Africa
59. ‘Book 155 1848’ Vol 155 Letters inward Creator: Author: Secretary of State for Foreign AffairsAuthor: Lords Commissioners of the Treasury Date: 1848/1848 Language: English Geographic region: Eastern Africa
60. ‘Book 158 1847-8’ Vol 158 Letters inward Date: 1847/1848 Language: English Geographic region: Trucial CoastEastern Africa