169. File 160/1903 'Persian Gulf: El Katr; appointment of Turkish Mudirs; question of Protectorate Treaty with El Katr' Date: 1902/1910 Language: English Geographic region: El KatrOdeidWakra
170. File 3208/1908 Pt 4 ‘Persian Gulf: acts of piracy by Ahmed bin Selman near Katif [Turkish discourtesy to commander of HMS “Lapwing” at Katif]’ Date: 1901/1908 Language: English Geographic region: Al-QatifBahreinQatarDoha
171. File 619/1907 Pt 6 'Arms traffic:- Persian Gulf - Searching of vessels in territorial waters of Trucial Chiefs. Position of Katr [Qatar].' Date: 1910/1913 Language: English Geographic region: KatrTrucial Coast
172. File 2794/1921 Pt 5-5A 'OIL QATAR AND MUSCAT' Date: 1923/1933 Language: English Geographic region: MuscatQatar
173. File 2182/1913 Pt 3 'Persian Gulf Katr Treaty' Date: 1913/1918 Language: English Geographic region: El Katr
174. File 13/8 'American Consular Posts in Persian Gulf and American Penetration' Date: 1945/1949 Language: English Geographic region: Farsi IslandMuscat
175. Manuscript copies of correspondence between Pelly and the Political Department, Bombay. Date: 1864/1872 Language: English Geographic region: BahrainQatarShatt al ʻArab