1999 vii, 127 p., 274 figures and maps, 9 coloured plates, 4to, paperbound. Library stamps, else good copy.
1973 74 p., 179 figures, paperbound. Published in: Bulletin of the British Museum (Natural History) Entomology.
2003 338 p., num. figs & pls, paperbound. Published in: African Invertebrates.
1975 129 p., 227 figs, 11 maps, paperbound. Memoirs of the Entomological Society of Canada.
1989 x, 576 p., 302 figs, hardbound. Library stamps, else good copy.
1959 93 p., paperbound. Published in: Zoologische Verhandelingen. Library stamp.
1979-1986 4 parts (complete). 244 p., 119 figs, paperbound. Zoologische Verhandelingen. New copy.
1961 22 p., 9 text figures, 1 plate, paperbound (original printed covers).Taxonomically important (especially concerning the higher taxa) and scarce. Published in: Nova Guinea Contributions to the anthropology, botany, geology and zoology of the Papuan region (continuation of Nova Guinea, new series). Unopened copy.
1964-1983 56, 80, 45, 47, 48 p., 21, 21, 12, 13, 28 figs, paperbound. Published in: Zoologische Verhandelingen. Library stamps.
1989 116 p., 42 figs, paperbound. Crisp new copy.
1956 55 p., 11 figs, paperbound. Zoologische Bijdragen.
1952 139 p., 12 figs, paperbound. Unopened copy. Zoologische Verhandelingen. New copy.
1952 139 p., 12 figs, paperbound. Unopened copy. Thesis. Ex library Dr. A.C. van Bruggen (with his signature).
1952 139 p., 12 figs, paperbound. Unopened copy. Zoologische Verhandelingen.
1952 139 p., 12 figs, cloth, gilt author/title on spine and front cover. Thesis. Library stamps, else very good, well bound copy.
1952 139 p., 12 figures, paperbound. Zoologische Verhandelingen. Very good, unopened copy.
1966-1968 3 parts. 264 p., 116 plates, paperbound (original printed covers). Biologiske skrifter udgivet af det kngelige videnskabernes selskab.
1944 210 p., 38 figures, numerous tables (1 folded), paperbound. Meddelelser om Gonland. Library stamps and small chipp off upper end spine, else a good copy. With author’s dedication to Dr. H. Boschma.
1941 257 p., num. figs. and tables, paperbound. Vid. Medd. Dansk Naturh. Forening.
ORSTOM. 1986. In-4. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 260p, , illustré de planches noir et blanc en fin d'ouvrage et dessins dans le texte.. . . . Classification Dewey : 595.7-Entomologie
Entomologie agricole notes et documents N°2. Classification Dewey : 595.7-Entomologie
1976 51 p., 17 figures, 3 plates, paperbound. Published in: Bulletin of the British Museum (Natural History) Entomology.
Non Renseigné. 1989. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. Tiré à part de la page 115-120, illustré d'une carte. . . . Classification Dewey : 595.7-Entomologie
Classification Dewey : 595.7-Entomologie
Non Renseigné. 1997. In-4. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. Photocopie de la page 53-69.. . . . Classification Dewey : 595.7-Entomologie
Classification Dewey : 595.7-Entomologie
1995 Paris, M.N.H.N., 1995 : in-4°, broché 53 pp., 16 cartes in-texte, couvertures illustrées. Très bon état !
1995 53 p., 16 maps, 4to, printed wrappers. With a typed and signed letter (dated 1995) by the author to the French entomologist Jacques d’Aguilar.