13. 'South Persia'. Photographer: Lt. A. A. Crookshank (Curzon Collection) Date: 1900/1902 Language: English Geographic region: أصفهانبيرسيبوليسبندر عباسمسقطشيرازبوشهرالأحساءكوهماند
14. ‘Road map, present operation. Province of Hasa, Saudi Arabia. B-1132’ Date: 1940/1940 Language: English Geographic region: Al-Hasa
15. 'ROAD MAP PRESENT OPERATIONS PROVINCE OF HASA SAUDI ARABIA' Date: 1940/1940 Language: English Geographic region: HasaArabian Peninsula
16. 'ROAD MAP Present Operations PROVINCE OF HASA, SAUDI ARABIA.' Date: 1940/1940 Language: English Geographic region: Arabian PeninsulaHasa
17. ‘Persian Gulf Gazetteer. Part 1. Historical and political materials. Precis of Turkish expansion on the Arab littoral of the Persian Gulf and Hasa [Al-Hasa] and Katif [Al-Qaṭīf] affairs.’ Creator: Author: Jerome Anthony Saldanha Date: 1904/1904 Language: English Geographic region: Al-HasaAl-Qatif
18. 'Persian Gulf Gazetteer, Part I Historical and Political Materials, Précis of Turkish Expansion on the Arab Littoral of the Persian Gulf and Hasa and Katif [al-Qaṭīf] Affairs' Date: 1904/1904 Language: English Geographic region: Al-HasaAl-Qatif
19. 'Confidential D 107 86/5-I Eastern and General Syndicate Ltd. - Saudi Arabia' Date: 1933/1935 Language: English Geographic region: Saudi ArabiaKuwaitHasa
20. 'Vol. D.16 (File 61/4) Bin Saood - Amir of Nejd's intention to visit Pirate Coast and Oman in 1905' Date: 1905/1907 Language: English Geographic region: OmanAl-HasaTrucial Coast
21. '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
22. 'Persian Gulf précis. (Parts I and II)' Date: 1913/1913 Language: English Geographic region: البحرينالكويتجوادرالأحساءالساحل المتصالحالبدعقطرمسقط
24. 'File 60/20 I (C 93) Imperial Bank of Iran: Bahrain, etc' Date: 1918/1946 Language: English Geographic region: PersiaAl-HasaDhahranBahrain