^Mitchell, Harry (2002) Remote Corners: A Sierra Leone Memoir The Radcliffe Press, London, pp. 191–192, ISBN 1-86064-817-7 ;
Harley, George Way (1941) Native African Medicine: With Special Reference to Its Practice in the Mano Tribe of Liberia Harvard University Press, Cambridge, MA, p. 140;
Mitchell, Harry (2002) Remote Corners: A Sierra Leone Memoir The Radcliffe Press, London, pp. 191–192, ISBN1-86064-817-7 ;