J.E. Moxon, LAES Bulletins in Simple English (Pests in Cocoa), n.d.
J. Wylik & R. Sims, Commercial Agricultural Production in PNG, n.d., c.1983
IASER, Socio-Economoic Impact of Rural Credit. A Preliminary Report on a field trip to East New Britain Province. Report prepared by PNG Institute of Applied Social and Economic Research for the Agricultural Bank of Papua New Guinea, Nov 1988
Hugh K. Coulter, World Cocoa Situation, Cocoa Board of PNG, Report No.19, 15 Apr 1986
Hugh K. Coulter, The provisional 1985 cocoa threshold price and expectation of the Cocoa Stabilisation Scheme Fund’s life, Board of PNG, Report No.13, 31 Dec 1984
Hugh K. Coulter, Reports: 1. World Cocoa Situation; 2. Cocoa Stabilisation Scheme 1986; 3. PNG Cocoa Statistics, Cocoa Board of PNG, Report No.19, 15 Apr 1986
Hugh K. Coulter, Cocoa Stabilisation Scheme 1987, Cocoa Board of PNG, Report No.__, 16 Mar 1987
Hugh K. Coulter, Cocoa Stabilisation Scheme 1986, Cocoa Board of PNG, Report No.20, 16 Apr 1986
Hugh K. Coulter (Economist, Cocoa Board of PNG), Brief for Solomon Islands Commodities Board Personnel, Report No.18, 8 Apr 1986
Hugh K. Coulter (Economist), Papua New Guinea Cocoa Statistics, Cocoa Board of PNG, Report No.21, 16 April 1986
