Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1913)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1914)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1920)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1921)

Handbuch der entomologie - Schröder, Christoph Wilhelm Marcus, 1871 - (Gustav Fischer, 1922)

Handbuch der Entomologie - Burmeister, Hermann, 1807 -1892 (G. Reimer, 1838)

Handbuch der Forstwissenschaft - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1912)

Handbuch der Morphologie der wirbellosen Tiere - Lang, Arnold, 1855 -1914 (G. Fischer, 1913)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1913)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1925)

Handbuch der Pflanzenkrankheiten - Sorauer, Paul, 1839 -1916 (P. Parey, 1921)

Handbuch der Pflanzenkrankheiten - Lindau, Gustav, 1866 -1923 (P. Parey, 1908)

Handbuch der Zoologie - Peters, Wilhelm C. H. (Wilhelm C. Hartwig), 1815 -1883 (W. Engelmann, 1875)

Handbuch der zoologie : Nach der zweiten holländischen ausgabe - Hoeven, Jan van der, 1801 -1868 (L. Voss, 1850)

Handbuch der zoologie - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1863)

Handbuch des Getreidebaues - Werner, Hugo, Dr. (Parey, 1885)

Handbuch für Naturaliensammler : Eine Praxis der Naturgeschichte ; Mit 12 Farbtafeln, 31 Tafeln nach Zeichnungen, und Photographien, sowie 465 Textabbildungen nach Zeichnungen, Photographien und Mikrophotographien des Verfassers - Bade, E. (Fritz Pfenningstorff, 1913)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

The handy bug answer book - Waldbauer, Gilbert (Visible Ink Press, 1998)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1880)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1881)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1887)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1889)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1890)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1893)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1912)

The head-capsule and mouth-parts of Diptera - Peterson, Alvah, 1888 - (1916)

Hereditas - Mendelian Society of Lund. (Published by the Mendelian Society of Lund for the Scandinavian Association of Geneticists, 1920)

Histoire naturelle des insectes Hémiptères - Amyot, C.-J.-B. (Charles Jean Baptiste), 1799 -1866 (Librairie encyclopédique de Roret, 1843)

Historia animalium - Universidad de Barcelona. Secció de Zoologia. (Departament de Biologia Animal (Secció de Zoologia), Facultat de Biologia, Universitat de Barcelona, 1992)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1996)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1999)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 2002)

The history of Harting - Gordon, Henry Doddridge. (Printed for the authors by W. Davy, 1877)

The history of the collections contained in the Natural history departments of the British museum... - British Museum (Natural History) (Printed by order of the Trustees, 1906)

The history of the use of derris as an insecticide Part II The period 1919-1928 - United States. Office of Experiment Stations. ([U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, Division of Insecticide Investigations], 1939)

The hog louse, Haematopinus suis Linné: its biology, anatomy, and histology ... - Florence, Laura (1921)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1897)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1913)