Senn, A. (1939). The Paleogene of Barbados and its bearings on the history and structure of the Antillean-Caribbean Region. 1st edition as read before the Trinidad Geological Coference in April, 1939. Article published 1940 in The Bulletin of The American Association of Petroleum Geologists, vol. 24, No. 9,, pp. 1548-1610.
Senn, A. (1941). Manuscript of incompleted report on the geology of Barbados. 21 pages. Article was published 6 years later as Senn, A. (1947). Die Geologie der Insel Barbados B.W.I. (Kleine Antillen) und die Morphogenese der umliegenden marinen Grossformen. Eclogae Geologicae Helvetiae, vol. 40, pp. 219-227.
Senn, A. (1944). Inventory of the Barbados rocks and their possible utilization. 32 p.
Senn, A. (1944). Remarks on the existing waterwell at Fairfield Sugar Factory and the location of a new waterwell at the Mount Gay Rum Refinery (parish of St. Lucy, Barbados, B.W.I., 2 pages).
Senn, A. (1946). Report of the British Union Oil Company Limited on geological investigations of the groundwater resources of Barbados, B.W.I. Standort: map archive, Lista unit 15, drawer 10.
Merivale, W. (1897). Report on Mr. Merivale's manjak mines in Barbados, W.I., 2 p.
Hovey, E.O. (1905). The production of asphaltum and bituminous rocks. 1 p.
Emtage, R.H. (1908). Manjak mining in Barbados, 4 p.
Emtage, R.H. (1913). Chapter on manjak. In: Sinckler, E.G. The Barbados Handbook, pp. 194-199.
Imperial Institute London (23rd March 1932). The market for Barbados manjak in the United Kingdom, 3 p.
Emtage, R.H. (1943). Manjak. In: The Journal of the Barbados Museum and Historical Society, vol. X, No. 2, pp. 56-60.
Senn, A. (1944). Chapter on manjak from: Inventory of the Barbados rocks and their possible utilization. Department of Science & Agriculture of Barbados, Bulletin No. 1 (New Series).
Cunningham-Craig, E.H. (1913). Report on the oilfields of Barbados, 48 p.
Huber, H. (1934-1936). Samples of Oceanic Beds from Barbados. Collected by H. Huber, 11 p.
Kugler, H.G. (1936). Notes on the oilfields of Barbados. With photos and geological map of Barbados compiled by H. Huber, (Scale 1:47'500) [see also map archive, Lista unit 15, drawer 12, "other geological maps & sketches"].
Agricultural Department of Barbados, B.W.I. (1902-1903). Volcanic dust falls in Barbados.
Huber, H. (not dated). Report entitled "Submarine Baracuda", 6 p.
Senn, A. (1941). Remarks on the landslides affecting the road in the vicinity of the Robinson Crusoe Hotel (Tobago, B.W.I.), 2 pages.