25. ‘Persian Gulf Affairs. Vol: 1’ Date: 1849/1850 Language: English Geographic region: MuscatBushireBahrein
26. ‘Affairs of the Persian Gulf. Vol: 1’ Date: 1850/1850 Language: English Geographic region: MuscatTrucial Coast
27. ‘Affairs of the Persian Gulf.’ Date: 1847/1848 Language: English Geographic region: OmanPersian Gulf
28. 'Persian Complaints of Smuggling in the Persian Gulf' Creator: Author: Sir Knight John Gilbert Laithwaite Date: 1928/1928 Language: English Geographic region: Persian Gulf
29. 'ADEN and its ADMINISTRATION.' Creator: Author: Colonial Office Date: 1931/1931 Language: English
30. 'Memorandum on the proposed Turkish telegraph line from Taiz [Ta‘izz] to Aden.' Creator: Author: India Office, Assistant Secretary to the Political and Secret Department, Date: 1882/1882 Language: English Geographic region: AdenTaiz
31. 'Memorandum. Regarding our future relations with Persia, with special reference to the extension and maintenance of British influence, and to the system of British Consular representation in Southern Persia.' Creator: Author: Sir William Frederick Travers O'Connor, Knight Date: 1916/1916 Language: English Geographic region: PersiaSeistanKerman
32. 'Question of British Consular Representation in El Hasa and Qatif' Creator: Author: Sir Knight John Gilbert Laithwaite Date: 1928/1928 Language: English Geographic region: QatifEl Hasa
34. 'NEJD EXPEDITION PRECIS.' Creator: Author: Government of India, Under-Secretary to the Foreign and Political Department Date: 1872/1872 Language: English Geographic region: NejdBahrein
35. 'Status of the Islands of Tamb, Little Tamb, Abu Musa, and Sirri' Creator: Author: Sir John Gilbert Laithwaite, Knight Date: 1928/1928 Language: English Geographic region: Tamb IslandSirriAbu Musa Island
36. Measures Relating to the Suppression of the Trade in Enslaved Persons between the Eastern Coast of Africa and Various Ports in the Persian Gulf and the Red Sea Date: 1841/1841 Language: English Geographic region: Zanzibar