Boeka [pseud. of P.C.C. Hansen Jr.]. — Studiën en beschouwingen.

Ams., F. van Rossum, [1903]. 3 vols in 2. XIV,286, 149,[3] pp. Uniform softcovers. - Still uncut. - Sl. worn, discol. & foxed.Complete set: [Vols I & II]: Tropisch Nederland; [Vol. III]: Bestuur van Oost-Indië. - Essays on Dutch colonial policy in the East- and West-Indies in which the author strongly advocates the 'ethical course'. According to the Ethical Policy, as it was called, financial assistance from The Netherlands was to be devoted to the extension of health and education services and to the provision of agricultural extension services designed to stimulate the growth of the village economy.