25. '33 File 665 Hostilities between Shaikh Zaid and Shaikh Jasim' Date: 1888/1890 Language: English Geographic region: QatarAbu DhabiAl BiddaOdaid
26. Agreement between [the] Ruler of Abu Dhabi and Petroleum Development (Trucial Coast) Ltd. Date: 1939/1939 Language: English Geographic region: Abu Dhabi
27. Map of the South-Eastern Part of the Arabian Peninsula Date: 1900/1940 Language: English Geographic region: ArabiaAbu DhabiQatar
28. Coll 34/12 'Slavery and Slave Trading: Measures to prevent slavery on the Trucial Coast' Date: 1936/1945 Language: English Geographic region: Abu DhabiBuraimiSaudi Arabia
29. Coll 5/36 ‘Persian Gulf Air Route: Air facilities at Yas Island and at Abu Dhabi’ Date: 1934/1935 Language: English Geographic region: Abu DhabiSir Beni Yas
30. File 3208/1908 Pt 3 ‘Persian Gulf: Taona piracy case’ Date: 1905/1913 Language: English Geographic region: Abu DhabiBandar-e Tahuneh
31. 'File 20/1 III Slavery in the Persian Gulf' Date: 1938/1944 Language: English Geographic region: Abu Dhabi