1985 918 p., 824 figures, 7 plates, 237 distribution maps, paperbound. The insects and arachnids of Canada. Library stamps, else a very good copy.
1974 / 1981 Two volumes. ii, 204, 74 p., 133, 65 figures, 53 distribution maps, 4to, paperbound. Library stamps, else good copies.
1975 Milano, Longanesi, 1975 : In-8 Carré, Cartonnage d'éditeurs. 94 pp., 116 photos couleurs in-fine, envoi de l'auteur à Jacques Hecq en page de faux-titre, Jaquette Très bon état, Couv. remarquable, Dos impeccable, Intérieur frais.
J.-B. Baillière & Fils 1905 In-12 broché 18,5 cm sur 12. XII-359 pages. Bon état d’occasion.
In-12 (12 x 18,5 cm). Broché sous couverture imprimée, XII-359 pp + catalogue (8) ff., 50 figures dans le texte. Pliures sur le dos. Exemplaire en bon état. Bon état d’occasion 
Non Renseigné. 1988. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 8, illustré de tableaux.. . . . Classification Dewey : 595.7-Entomologie
En anglais Classification Dewey : 595.7-Entomologie
1990 Shilap Revista de Lepidopterologia, 18 (71), 1990 : In-8 Carré, Broché. extrait, pp. 239-251, 7 tableaux et 4 figures in-texte Très bon état, Couv. fraîche, Dos impeccable, Intérieur frais.
1920 397 p., contemporary half calf over marbled boards. Gilt title on the spine. Original printed front wrapper bound in. Joints taped, spine crudely repaired. With a bookplate on the front paste-down, otherwise a good copy.
1916 824 p., 15 figures, 10 plates, cloth (original printed covers bound in), author/title in gilt on spine. Ex library Dr. J.G. Betrem (with his ex libris). Library stamps, else good copy.
1910 (3rd ed.) 121 p. (= pp. 579-699), 55 figures, half cloth with marbled boards, paper label on spine. Hymenoptera chapter from ‘’Annual Report of the New Jersey State Musuem 1910 Including a Report of the Insects of New Jersey’’. Library stamps, else good copy.
1914 v, 186, 22 p., half cloth (original printed front cover laid on), paper labels on spine. Ex library Dr. J.G. Betrem (with his ex libris). Library stamps, else good copy. With some annotations in pencil, probably by Dr. Betrem.
1936 x, 656 p., 652 figs, new black cloth with paper label on spine. Library stamps, else good copy.
1936 x, 656 p., 652 figures, half cloth with marbled boards, gilt title on spine (original printed front cover bound in). Library stamps, else good copy.
1935 368 p., 33 mostly folded plates, 585 text figures, 12 tables, 1 map, paperbound. A large monograph with many new species. Offprint from the Archiv für Hydrobiologie, Supplement Bände XIII, XIV. "Tropische Binnengewässer V". No covers (not issued). A very good clean copy.
1982-1987 Two volumes (complete). 116, 1012 p., paperbound (vol. 1) / hardbound (vol. 2). Volume two with some wear on joints and spine discoloured.
1982 Two volumes (complete). 116, 1012 p., paperbound (vol. 1) / hardbound (vol. 2). Library stamps, else very good set.
1955 476 p., 163 small portraits, cloth (dust jacket).
1955-1957 Two volumes in three (complete). 476, 870 p., 163 (portraits), 140 figures, publisher’s cloth. Library stamps and covers slightly soiled, else good complete set.
1948 83 p., 73 text figures, paperbound (original printed covers). A very detailed study of the Micropterycidae, Eriocraniidae, and Hepialidae, with fine figures. Uncut, unopened. A good copy.
1965-1967 Two volumes (complete). vi, 531 p., 434 figures, 3 plates, half cloth, title in gilt on spine (original printed covers bound in). Library stamps, else a very good set.
1956 85 p., 93 figures, half cloth, title in gilt on spine (original printed covers bound in). Library stamps, else a very good copy.
1990 88, [3] p., 3 maps, paperbound. Very good copy, as new.
1991 88, [3] p., 3 maps, paperbound. Very good copy, as new.
Non Renseigné. 1998. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. Tiré à a part de la page 222 à 225, texte en français et en anglais.. . . . Classification Dewey : 595.7-Entomologie
 Classification Dewey : 595.7-Entomologie
Non Renseigné. 2001. In-8. En feuillets. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. Tiré à part de la page 55-61.. . . . Classification Dewey : 595.7-Entomologie
"Envoi "" a Paulian"" Classification Dewey : 595.7-Entomologie"
1948 83 p., 68 figures in-texte, broché, couvertures oranges imprimées. Très bon état !