1999 188 p., 396 figs of genitalia and other structures, 12 col. pls, paperbound. Lower end spine somewhat worn. Library stamp. Published in: The Malayan Nature Journal.
1989 226 p., 404 figures, 8 coloured plates, paperbound. Library stamps, else a good copy.
1985 161 p., 339 figures, 8 coloured plates, paperbound. Library stamps, else a good copy.
1983 107 p., 98 figures, 9 coloured plates, paperbound. Library stamps and small removed sticker mark on front cover, else good copy.
1999 188 p., 396 figures, 12 coloured plates, paperbound. Library stamps, else good copy.
1998 155 p., 317 figures, 10 coloured plates, paperbound. Library stamps, else good copy.
1996 180 p., 427 figures, 12 coloured plates, paperbound. Library stamps, else good copy.
2001 xi, 455 p., 125 figures, 8 coloured plates, hardbound. Library stamps and sticker mark on verso front cover, else very good copy.
2001 xi, 455 p., 125 figures, 8 coloured plates, hardbound. Crisp new copy.
1999 The Malayan Nature Journal, 53(1-2), 1999 : In-8 Raisin, Broché. 188 pp., 396 photographies de génitalias hors-texte, 12 planches couleurs hors-texte, Très bon état, Couv. fraîche, Dos impeccable, Intérieur frais.
1928 United States Department of Agriculture, Technical Bulletin n° 41, 1928 : In-8 Carré, Broché. 76 pp., 2 planches couleurs hors-texte dont 1 en frontispice, 25 figures et 14 tableaux in-texte, Très bon état, Couv. fraîche, Dos impeccable, Intérieur frais.
1974 304 p., 64 figures [= full page plates], 4to, cloth (dust jacket). Library stamps, else a good copy.
1987 xiv, 542 p., num. figs, cloth (dust jacket). Library stamps.
1992 [3], 326 p., 173 figures and distribution maps, 32 coloured plates, 4to, leather (dust jacket). Very good copy (as new) of this out of print title. The special edition of which 100 copies were printed (this is number 39) bound in leather and signed by both authors.
1987 168 p., 288 figures, 1 coloured plate, hardbound. Library stamps, else a good copy. Fauna Entomologica Scandinavica.
1909-1911 First 2 parts (of 4). 293 p., 9 plates, 82 text figures, paperbound (original printed covers). A major contribution to this group with new taxa. Library stamps on titles. Margins a bit frayed with a few short cuts, contents good. ADDED: New Guinea Termiten (Mitt. Zool. Mus. Berlin V(3), 1911), with new species by the same author.
1913 276 p., 14 figures, 8 plates, royal 4to, new cloth, author/title in gilt on spine. Library stamps, else very good copy.
1913 276 p., 14 figures, 8 plates, royal 4to, paperbound (plain covers). Ex library Dr. J. Krikken (with his small Ex Libris). Small, lower blank corner of last plate missing.
1910 155 p., 78 figs, 1 map, disbound (no covers). Published in: Mitteilungen aus dem Naturhistorischen Museum in Hamburg.
1952 176 p., 22 figures et 31 tableaux in-texte, broché. Bon état, dos fané, coiffe de tête renforcée avec du scotch.
1970 220 p., 76 figures, publisher’s cloth (spine faded). Library stamps.
2004 [4], 86 p., 6 figures, paperbound. Library stamps, else a good copy.
2009 422 p., 173 coloured photographs on 20 plates, 124 distribution maps, paperbound. Library stamps, else very good copy.
1994 328 p., 57 figures, 51 coloured plates, 41 distribution maps, small folio (26 x 34 cm), cloth (dust jacket). Library stamps, else a good copy.
2005 xvi, 736 p., 325 figures, publisher's cloth. Library stamps, else very good copy. In Chinese with a 54 page English Summary.