PhD thesis based on three years of ethnological research in the western interior of Sarmi

Summary of the results of budget studies on the lifestyle and living conditions of different population groups in Hollandia

Based on developments in Australian New Guinea the Commission looked at ecological and social-economic conditions and possibilities of indigenous agriculture, self-supporting production of food, estate-agriculture and forestry. With the available limitations in mind a number of projects are proposed under restricted conditions.

Thesis on the issue of development of New Guinea, with conclusions about local public companies for Forestry and Agriculture, based on compulsory participation of the population, compared with the opportunities on Japen and expectations for the culture of Agathis

The pros, cons and opinions on agricultural colonization in New Guinea

Dutch New Guinea and the Dutch-Australian cooperation

Report on Netherland New Guinea for the year 1955, presented to the Secretary General of the United Nations pursuant to Article 73 (e) of the Charter.

Report on Ned. New Guinea for the year 1954 submitted to the UN under Art. 73 E