1. ‘Persian Gulf. Bahrein. Visit of the special Agent from the Sheik of steps taken to levy a fine on certain places on the Gutter Coast – Vol: 7’ Date: 1851/1851 Language: English Geographic region: GutturFowaritWukrahEl Biddah
2. 'Book 130' Letters inward Date: 1840/1841 Language: English Geographic region: Trucial CoastEl Biddah
3. ‘Trigonometrical plan of the harbour of El Biddah on the Arabian side of the Persian Gulf. By Lieuts. J. M. Guy and G. B. Brucks, H. C. Marine. Drawn by Lieut. M. Houghton’ Date: 1823/1823 Language: English Geographic region: El Biddah