1. 'Persian Gulf. Turkish claims on the Arabian coast' Date: 1903/1903 Language: English Geographic region: El KatrTrucial CoastTurkeyOdeid
2. 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