Hecq J., 2003: Le Genre Pseudacraea. Bauer E. & Frankenbach T., (eds.): Butterflies of the World. Supplementum 7. 9 pp. (in French). 

 Hecq J., 2003: Nymphalidae VII. Pseudacraea. Bauer E. & Frankenbach T., (eds.): Butterflies of the World. Part 16. 12 plates + 4 pp. (in English). 

 Hecq J., 2003: Nymphalidae VII. Pseudacraea. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 16. 12 Tafeln + 4 pp. (in German). 

 Heikertinger F., 1954: Das Rätsel der Mimikry und seine Lösung. Eine kritische Darstellung des Werdens, des Wesens und der Widerlegung der Tiertrachthypothesen. Mit 114 Abbildungen im Text und 9 Tafeln. 208 pp. 

 Heinrich G. H., 1960: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. II. Synopsis of the Ichneumonini: Genera Orgichneumon, Cratichneumon, Homotherus, Aculichneumon, Spilichneumon. 113 pp. The Canadian Entomologist suppl. 15: 1-113.

 Heinrich G. H., 1960: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Introduction, key to Nearctic genera of Ichneumoninae stenopneusticae, and synopsis of the Protichneumonini north of Mexico. 83 pp. The Canadian Entomologist suppl. 15: 1-83.

 Heinrich G. H., 1961: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. IV. Synopsis of the Ichneumonini: Genera Chasmias, Neamblymorpha, Anisopygus, Limerodops, Eupalamus, Tricholabus, Pseudamblyteles, Eutanyacra, Ctenichneumon, Exephanes, Ectopimorpha, Pseudoamblyteles. 133 pp. The Canadian Entomologist suppl. 23: 1-133.

 Heinrich G. H., 1961: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Part III. Synopsis of the Ichneumonini: Genera Ichneumon and Thyrateles. 158 pp. The Canadian Entomologist suppl. 21: 1-158.

 Heinrich G. H., 1961: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Part V. Synopsis of the Ichneumonini: Genera Protopelmus, Patrocloides, Probolus, Stenichneumon, Aoplus, Limonethe, Hybophorellus, Rubicundiella, Melanichneumon, Stenobarichneumon, Platylabops, Hoplismenus, Hemihoplis, Trogomorpha. 161 pp. The Canadian Entomologist suppl. 26: 1-161.

 Heinrich G. H., 1962: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. Part VI. Synopsis of the Ichneumonini: (Genus Plagiotrypes), Acanthojoppini, Listrodromini and Platylabini. 124 pp. The Canadian Entomologist suppl. 27:1-124.

 Heinrich G. H., 1962: Synopsis of Nearctic Ichneumoninae stenopneusticae with particular reference to the northeastern region (Hymenoptera). Part I. VII. Synopsis of the Trogini: Addenda and Corrigenda. 80 pp. The Canadian Entomologist suppl. 29: 1-80.

 Heiss E., Péricart J., 2007: Hemipteres Aradidae, Piesmatidae et Dipsocoromorphes euro-méditerraneéns. Fauna de France 91. 8 planches en couler + 509 pp. 

 Helmuths Johan Heinrich, 1808: Naturgeschichte des In- und Auslandes. Fünfter Band. Beschreibung der Insekten. [29 Abbildungen fehlen / 29 pictures lack.] 466 pp.  Discount 50%!

 Hempel W., Klausnitzer B., Otto H.-W., 2005: Die Natur des Landkreises Bautzen. 220 pp. 

 Hendrych R., 2002: Generum plantarum orbis geographicus. Concis synopsis of the generic geography. 123 pp.  Discount 20%!

 Hennig W., 1969: Die Stammesgeschichte der Insekten. 436 pp. Verlag von Waldemar Krame in Frankfurt am Main Discount 20%!

 Henschel G. A. O., 1861: Leitfaden zur leichteren Bestimmung der schädlichen Forst-Insekten, 192 pp. 

 Henschel G. A. O., 1895: Die schädlichen Forst- und Obstbaum-Insekten, ihre Lebenweise und Bekämpfung. Dritte, neubearbeitete Auflage. Mit 197 Textabb., 758 pp. 

 Hequet V., 1996: Longicornes (Cerambycidae) de Guyane Francaise. 19 colour plates, 36 pp.  Discount 20%!

 Heráň I., 1982: Díváme se na zvířata. 215 pp. 

 Héres A., Charles J., Manil L., 2009: Les Zygenes de France. (Lepidoptera: Zygaenidae, Zygaeninae). 60 pp. (in French). Asociation des Lépidoptéristes de France Discount 20%!

 Herman H. L., 1972-1986: Revision of Bledius and related genera. Vols. I-II-III-IV. Privately HARD BOUND, but the right edge of the texts in the vol. 1 partly CUT OFF. Bulletin of the American Museum of Natural History.

 Herman H. L., 2001: Catalog of the Staphylinidae (Insecta: Coleoptera), 1758 to the end of the second millennium. I. Introduction, history, biographical sketches and omaliine group. 649 pp. Bulletin of the American Museum of Natural History 265(1): 1-649.

 Heyden L., Reitter E., Weise J., 1906: Catalogus coleopterorum Europae, Caucasi et Armeniae Rossicae. Editio secunda. 775 pp. Zweispaltige Ausgabe. Nice condition. 

 Hieke F., 2001: Das Amara-Subgenus Xenocelia subg. n. (Coleoptera: Carabidae). 153 pp. (in German). Folia Heyrovskyana Suppl. 7: 1-153.
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 Higgins L. G., 1975: Classification of European butterflies. 320 pp. 

 Hilkenbäumer F., 1962: Obstlagerung. Grundlagen, Durchführung und Kosten. 134 pp.  Discount 20%!

 Hirsch G. C., 1930: Anleitung zu zoologisch-morphologischen Uebungen. Band II: Wirbeltiere. (Mit 76 Abbildungen). 207 pp. 

 Hlaváč P., Perreau M., Čeplík D., 2017. The subterranean beetles of the Balkan peninsula. Monograph. 267 pp. Size 23.5 x 28.5 cm. Catalogue of all the cavernicolous beetles of Balkan peninsula is given, many colour photographies. 

 Hlisnikovský J., 1964: Monographische Bearbeitung der Gattung Agathidium Panzer (Leiodidae). 256 pp. Acta entomologica Musei nationalis Pragae suppl. 5: 1-256.

 Hoberlandt L., 1955: Results of the zoological scientific expedition of the National Museum in Praha to Turkey, 18. Hemiptera IV. Terrestrial Hemiptera-Heteroptera of Turkey. 264 pp. [4003] Acta Entomologica Musei Nationalis Pragae suppl. 3: 1-264.

 Hodek I., (ed.), 1966: Ecology of aphidophagous insects. Proceedings of a symposium held in Liblice near Prague, September 27 – October 1, 1965. 360 pp.  Discount 50%!

 Hodek I., (ed.), 1986: Ecology of Aphidophaga 2. Proceedings of a symposium held at Zvíkovské Podhradí, September 2 – 8, 1984. 562 pp.  Discount 50%!

 Hoeher S., 1973: Gelege der Vögel Mitteleuropas. Und einiger in nördlicheren und südlicheren Breiten brütenden Arten. 132 pp. 

 Hoestlandt H., (ed.), 1991: Clupeidae, Anguillidae. The freshwater fishes of Europe, vol. 2. 101 figs., 90 tables, 448 pp. 

 Hoffmeister D. F., 1951: A taxonomic and evolutionary study of the pinon mouse, Peromyscus truei. 5 plates, 104 pp.  Discount 20%!

 Holland G. P., 1969: Contribution towards a monograph of the fleas of New Guinea. 148 pp. Memoirs of the Entomological Society of Canada 61: 1-148.

 Hollis D, 1976: Jumping plant lice of the tribe Ciriacremini (Homoptera: Psylloidea) in the Ethiopian Region. 83 pp. 

 Holman J., 1974: Los áfidos de Cuba. 304 pp.  Discount 20%!

 Holub E., 1880: Sedm let v jižní Africe. Příhody, výzkumy a lovy na cestách mých od polí diamantových až k řece Zambesi. (1872 – 1879). Díly I-II. 528 + 560 pp.  Discount 20%!

 Holynski R. B., 2009: Taxonomic structure of the subtribe Chrysochroina Cast. with review of the genus Chrysochroa Dej. (Coleoptera: Buprestidae). 20 colour plates + 391 pp. Soft cover.  Discount 30%!

 Holynski R., 2014: Review of the Indo-Pacific Buprestidae Leach (Coleoptera). I. Julodinae Lac. 37 colour photographs, 17 maps, 1 phylogenetic tree, 96 pp. Soft cover.  Discount 20%!

 Holzschuh C., 1971: Bemerkenswerte Käferfunde in Österreich. 65 pp. 

 Holzschuh C., 1983: Bemerkswerte Käferfunde in Österreich III. 81 pp. 

 Holzschuh C., 1999: Beschreibung von 71 neuen Bockkäfern aus Asien, vorwiegend aus China, Laos, Thailand und Indien (Coleoptera, Cerambycidae). 60 pp.  Discount 20%!

 Hopkins G. H. E., 1952: Mosquitoes of the Ethiopian Region. I. – Larval bionomics of mosquitoes and taxonomy of culicine larvae. 355 pp.  Discount 20%!

 Horáček I., 1986: Létající savci [o netopýrech]. Živou přírodou. 80 bar. fot., 156 pp. 

 Horáčková J., 1982: Animaux de tous les pays. 535 illustrations en couleurs. 319 pp. (in French). 

 Horák O., 1959: Jak porozumět světu zvířat. 126 pp. 

 Horsák M., Juřičková L., Picka J., 2013: Měkkýši České a Slovenské republiky. Molluscs of the Czech and Slovak Republics. 68 coloured plates, ca. 270 pp. (in Czech and English).