1981 133 p., 27 figs, 49 photographic pls, paperbound. Published in: Studies on the Fauna of Curaçao and other Caribbean Islands.
1981 133 p., 27 figs, 49 photographic pls, paperbound. Published in: Studies on the Fauna of Curaçao and other Caribbean Islands.
1940 [8], 130 p., 22 figs, 16 photographic pls, cloth. Thesis.
1959 / 1980 38, 46 p., 29, 7, 13 figs & pls, paperbound (in two issues). Studies on the Physical Anthropology of the Netjerlands Antilles I-IV. These papers were reprinted from the West-Indische Gids.
1980 68 p., 24 figs, 18 pls, paperbound (plates loose). Published in: Studies on the Fauna of Curaçao and other Caribbean Islands.
1980 68 p., 24 figs, 18 pls, paperbound. Published in: Studies on the Fauna of Curaçao and other Caribbean Islands. With author's dedication.