145. 'File 11/1 IV Muscat Administration Reports and related correspondence' Date: 1949/1949 Language: English
148. ‘File XXVIII/10 REPORT ON PRESENT CONDITIONS IN MUSCAT AND DEALINGS OF THE STATE WITH THE TRIBES NOMINALLY UNDER IT.’ Date: 1924/1931 Language: English Geographic region: al-BuraimiMaṭraḥDubaiRas al-Khaimah
149. 'File 11/1 III Muscat Administration Reports and related correspondence' Date: 1948/1948 Language: English
150. 'File 11/1 V Muscat Administration Reports and related correspondence' Date: 1950/1950 Language: English
151. 'File 11/1 VI Muscat Administration Reports and related correspondence' Date: 1951/1951 Language: English
152. 'File 11/1 Muscat Administration Reports and related correspondence' Date: 1943/1947 Language: English
155. 'File 11/3 Diaries and reports: Capt O'Connor's report on Oman' Date: 1930/1930 Language: English Geographic region: SurSohar
156. 'File 11/4 Diaries and reports: Mr Dowson's notes on Smail - dates, etc' Creator: Author: Valentine Hugh Wilfred Dowson Date: 1927/1929 Language: English Geographic region: Oman