1. ‘File 5/190 III Manumission of slaves at Muscat: individual cases’ Date: 1929/1932 Language: English Geographic region: MuscatAl-Hasa
2. ‘Road map, present operation. Province of Hasa, Saudi Arabia. B-1132’ Date: 1940/1940 Language: English Geographic region: Al-Hasa
3. ‘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
4. '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
5. '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
7. 'File 60/20 I (C 93) Imperial Bank of Iran: Bahrain, etc' Date: 1918/1946 Language: English Geographic region: PersiaAl-HasaDhahranBahrain
8. 'File 61/11 VII (D 122) Hejaz-Nejd Miscellaneous' Date: 1934/1936 Language: English Geographic region: Soviet UnionYemenAl-Hasa
9. 'File 61/11 X (D 170) Nejd-Hejaz Miscellaneous' Date: 1942/1945 Language: English Geographic region: United States of AmericaAl-Hasa
10. 'File 61/14 VII (D 51) Relations between Nejd and Iraq' Date: 1928/1928 Language: English Geographic region: IraqKuwaitAl-Hasa
11. 'File 61/14 VIII (D 55) Relations Between Nejd And Iraq' Date: 1928/1929 Language: English Geographic region: IraqAl-Hasa
12. 'File 61/14 X (D 57) Relations between Nejd and 'Iraq' Date: 1929/1929 Language: English Geographic region: KuwaitAl-HasaIraq