1970 xii, 412 p., paperbound. Monografieën van de Nederlandse Entomologische Vereniging. Library stamps and small removed sticker mark on top left corner of front cover.
1963 157 p., 46 figs, paperbound. Studies on the Fauna of Curaçao and Other Caribbean Islands. Library stamps.
1963 157 p., 46 figs, paperbound. Studies on the Fauna of Curaçao and Other Caribbean Islands.
1968 169 p., 11 figs, paperbound. Thesis.
1968 169 p., 11 figs, paperbound. Thesis.
1963 79 p., 100 figs, paperbound. Published in: Tijdschrift voor Entomologie.
1964-1980 5 papers. 10, 81, 37 p., 9, 85, 41 figs, wrappers. Published in: Tijdschrift voor Entomologie.
1963 79 p., 100 figs, paperbound. Published in: Tijdschrift voor Entomologie.
1970 xii, 412 p., paperbound. Monografieën van de Nederlandse Entomologische Vereniging.
1963 79 p., 100 figs, paperbound. Tijdschrift voor Entomologie. With author's dedication.
1963 157 p., 46 figs, paperbound. Studies on the Fauna of Curaçao and Other Caribbean Islands.
1968 169 p., 11 figs, cloth. Thesis. One of the few copies that were clothbound. With author's dedication.
1968 169 p., 11 figs, cloth. Thesis. One of the few copies that were clothbound.
1970 412 p., paperbound. Monografieën van de Nederlandse Entomologische Vereniging. Label on spine, otherwise good, clean.