1. ‘Ul Umrah from the anchorage’ Date: 1825/1825 Language: English Geographic region: Ul Umrah Extent: 1 watercolour view
2. ‘Persian Gulf single charts.–Memoir.–Lieut. Houghton’ Contributor: Commander of the survey-ship Discovery (author)Michael Houghton (author) Date: 1822/1822 Language: English Geographic region: RaumpsRasel KhymaAymaunSharjaDebayMoosendemAmulgaweinShaumUl Umrah Extent: 1 volume (24 folios)
3. ‘Trigonometrical Plan of the Backwater at Ul Umrah on the Arabian side of the Persian Gulf by Lieut. R. Cogan under the direction of Lt. J.M. Guy, H.C. Marine, 1822’ Contributor: Robert Cogan (surveyor)John M. Guy (surveyor) Date: 1822/1822 Language: English Geographic region: Ul Umrah Extent: 1 map
