參考資料
- Carl Bernhard Wadström, An Essay on Colonization, Particularly Applied to the Western Coast of Africa, with Some Free Thoughts on Cultivation and Commerce (Darton and Harvey, 1794), p. 237.
- P. E. H. Hair (ed.), Hawkins in Guinea, 1567-1568 (Leipzig: Institut fur Afrikanistik, Universitat Leipzig, 2000; ISBN 3932632656), p. 57: "The 'Causserus' is River Scarcies, an important waterway NW of the Sierra Leone estuary, whose local name was probably Kase but which became known to the Portuguese as first Rio de Case/Caces and then as Rio dos Carceres; hence, by English corruption, 'Scarcies'."
