1) Bencoolen, Sumatra, 136 years after the ending of the British settlement: a draft lecture or paper, 11ff., typescript. (= P 29, of 1962 = DJA/8/5/2). Reissued in the 'Sumatra Research Bulletin', vol.4, no.1, 1974, pp.19-30.
2) Aspects of social and economic development in South Sumatra: synopsis of a public lecture, 1962 ?. Compare P 28.
3) Production problems in a nationalized factory in Indonesia: a talk prepared for the New Zealand Broadcasting Service, Wellington, 1962 ? 14ff., typescript. Compare with DJA(2)/10/1/4.
4) Productivity inhibition among workers in a nationalized industry: a factory case study in Java. Cyclostyled 32pp., typescript. (= P 30, University of Western Australia, Department of Anthropology, Perth, 1963)