1. 'Treaty and Undertakings in force between the Government of Iraq and H. H. the Sultan of Najd' Creator: Author: Government of Iraq Date: 1923/1923 Language: English Geographic region: UqairMohammerah
2. 'File 61/6 Vol. V. (D 39) Bin Saud, Nejd affairs' Date: 1921/1923 Language: English Geographic region: OjairMohammerahHail
3. 'File H/14 Vol I Turkish Customs on Mainland' Date: 1911/1912 Language: English Geographic region: Al-QatifAl-ʻUqayr
4. File 2182/1913 Pt 2 'Persian Gulf Situation in El Katr Policy towards Bin Saud' Date: 1913/1916 Language: English Geographic region: El HassaOjair