1958 134 p., 47 figures, paperbound. Verhandelingen van de Koninklijke Vlaamse Academie voor Wetenschappen, Letteren en Schone Kunsten van Belgie. Klasse der Natuurwetenschappen. Library stamps, else good copy.
1977 191 p., 172 figs, paperbound. Zoologica Pathologica. Ex library Dr. A.C van Bruggen (with his stamp). Good copy.
1977 191 p., 172 figures, paperbound. Zoologica Pathologica. Library stamps, else good copy.
1987 96 p., 4 figures, 105 distribution maps, paperbound. Library stamps, else good copy.
1953 [6], 101 p., paperbound. Library stamp, else good copy. With author’s dedication.
1999 iii, 58 p., numerous figures, coloured photographs and distribution maps, 4to, paperbound. Library stamps, else good.
2002 71 p., numerous figures, coloured photographs and distribution maps, 4to, paperbound. Library stamps, else good.
2004 86 p., numerous figures, coloured photographs and distribution maps, 4to, paperbound. Library stamps, else good copy.
2010 86 p., numerous figures, coloured photographs and distribution maps, 4to, paperbound. Library stamps, else good.
2001-2007 Three volumes. 62, 94, 97 p., numerous figures, coloured photographs and distribution maps, 4to, paperbound. Small blemish to upper left corner of front cover part I. Library stamps, else good set.
2004 [8], 340 p., hundreds of colour photographs, paperbound. Library stamps, else a good copy.
2010-2015 Volumes 12-17(1). 67, 98, 186, 142, 62, 62 p., paperbound. Library stamps.
1966-1972 Two volumes (complete). 224, 231 p., 186, 142 figures, hardbound. Library stamps and spine discoloured, else good set.
2001 xi, 772, [4] p., 238 figures, 5 coloured plates, 148 distribution maps, hardbound (dust jacket). Library stamps, else good copy.
2000 Transactions of the American Entomological Society, vol. 126, n° 2, 2000 : In-8 Carré, Broché. extrait, pp. 175-220, 68 figures in-texte Très bon état, Couv. fraîche, Dos impeccable, Intérieur frais.
2008 412 p., hardbound. Library stamps, else very good copy.
Non Renseigné. 1990. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. Tiré à part de la page196-203, ilustré de figures.. . . . Classification Dewey : 595.7-Entomologie
En anglais Classification Dewey : 595.7-Entomologie
1898 54 p., disbound (no covers). Unopened copy. Published in: Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Scarce.
1863 18 p., 2 lithographed pls, disbound (no covers). Published in: Verhandlungen der k.k. zoologisch-botanischen Gesellschaft.
1876 38 p., 4to, paperbound (original printed covers).
1889-1894 (reprint 1924) 114, 142, 152, 88 p., 11 plates, royal 4to, new half cloth with gilt author/title on spine. Library stamps and part of the pages with small tear in right margin, else good, well bound copy.
1954 156 p., 55 (1 folded) plates, cloth. No dust jacket. Library stamps.
1954 179 p., 66 (3 coloured) plates (96 illustrations), cloth. No dust jacket. Library stamps.
1962 1962/66 : in-12, broché 182 pp., couvertures imprimées, les 2 fascicules reliés par une baguette plastique rouge. Très bon état, de la bibliothèque de Jacques d'Aguilar avec son timbre humide sur couvertures et pages de titre.