1. 'Persian Gulf' Creator: Author: India Office, Assistant Secretary to the Political and Secret Department, Date: 1888/1888 Language: English Geographic region: El KatrEl Bidaa
2. 'Persian Gulf. Turkish claims on the Arabian coast' Date: 1903/1903 Language: English Geographic region: El KatrTrucial CoastTurkeyOdeid
3. 'British relations with Turkey in the Persian Gulf. Memorandum on Lieutenant-Colonel Cox's telegram reports in Government of India's telegram of 1 December 1910.' Creator: Author: India Office, Secretary to the Political and Secret Department Date: 1910/1910 Language: English Geographic region: El KatrTurkey
4. 'El Katr, 1908-1916' Creator: Author: Sir John Gilbert Laithwaite, Knight Date: 1928/1928 Language: English Geographic region: El Katr
5. 'Memorandum by Mr Bertie on Questions with the Porte in the Persian Gulf, August 1892 to October 1893.' Creator: Author: Francis Leveson Bertie, 1st Viscount Bertie of Thame Date: 1893/1893 Language: English Geographic region: BahreinFaoEl KatrEl Bidaa
6. 'Précis of the Treaties and Engagements between the British Government and the Chiefs of the Arabian Coast of the Persian Gulf' Date: 1928/1928 Language: English Geographic region: Trucial CoastBahreinEl Katr
7. 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
8. File 2182/1913 Pt 3 'Persian Gulf Katr Treaty' Date: 1913/1918 Language: English Geographic region: El Katr
