Bartley, B.G.D. (1993) Notes on the meaning and origins of clone names. B.G.D Bartley. Personal Communications.
Lockwood, G. & Gyamfi, M.M.O. (1979) The CRIG cocoa germplasm collection with notes on codes used in the breeding programme at Tafo and elsewhere. Technical Bulletin, No. 10, Cocoa Research Institute, Tafo, Ghana. pp. 62.