A handbook of British lepidoptera - Meyrick, Edward, 1854 -1938 (Maomillan, 1895)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

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

Handbuch der paläarktischen Gross-Schmetterlinge für Forscher und Sammler - Standfuss, Maximilian Rudolph, 1854 - (G. Fischer, 1896)

Handbuch der pflanzenkrankheiten begründet - Lindau, Gustav, 1866 -1923 (P. Parey, 1921)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1928)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1932)

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

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

Handlexikon der Naturwissenschaften und Medizin - Bechhold, H. (Heinrich), 1866 -1937 (Bechhold, 1919)

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

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, 1874)

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, 1885)

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, 1888)

Hardy herbaceous & Alpine plants : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Hardy herbaceous & Alpine plants : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

Haupt- und Nebenfruchtformen der Askomyzeten, eine Darstellung eigener und der in der Literatur niedergelegten Boebachtungen über die Zusammenhänge zwischen Schlauchfrüchten und Konidienfruchtformen - Klebahn, H. (Heinrich) (Borntraeger, 1918)

Der Hausvater - Münchhausen, Otto, Freiherr von, 1716 -1774 (Försters und Sohns Erben, 1770)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2005)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2007)

Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1918)

Hedwigia (Verlag und Druck von C. Heinrich, 1920)

Hedwigia (Verlag und Druck von C. Heinrich, 1921)

Heinrich Gottfried, Grafens von Mattuschka ... Flora Silesiaca, oder, Verzeichniss der in Schlesien wildwachsenden Pflanzen : nebst einer umständlichen Beschreibung derselben, ihres Nutzens und Gebrauches so wohl in Absicht auf die Arzney- als Haushaltungs-Wissenschaft - Mattuschka, Heinrich Gottfried, Graf von, 1734 -1779 (W.G. Korn, 1776)

Herborisations à Salève - Fauconnet, Charles, 1811 -1876 (Impr. Carey frères, 1867)

Herborisations dans le Jura central: Val de Travers, Creux-du-Van, Tourbières des Ponts et de la Brévine - Gillot, X. (Xavier), 1842 -1910 (Association typographique, 1891)

Hereditas - Mendelian Society of Lund. (Published by the Mendelian Society of Lund for the Scandinavian Association of Geneticists, 1923)

Les Hétéroptères Miridés de France. tome 1, les secteurs biogéographiques - Ehanno, Bernard 1935 - (1983)

Les Hétéroptères Miridés de France : inventaire critique des espèces recensées des territoires étudiés, des milieux explorés, d'après les travaux des auteurs depuis 1820 et les données personnelles. tome II-A, Inventaire et synthèses écologiques - Ehanno, Bernard 1935 - (1987)

Les Hétéroptères Miridés de France : inventaire critique des espèces recensées des territoires étudiés, des milieux explorés, d'après les travaux des auteurs depuis 1820 et les données personnelles. tome 1 bis, Les secteurs biogéographiques (suite) - Ehanno, Bernard 1935 - (1987)

Hill birds of Scotland - Gordon, Seton Paul, 1886 -1977 (E. Arnold, 1915)

Histoire abrégée des plantes usuelles : contenant leurs différens noms latins, français et vulgaires, leurs doses, leurs principales compositions en pharmacie, et la manière de s'en servir - Chomel, Pierre Jean Baptiste, 1671 -1740 (chez L. Duprat-Duverger, 1804)

Histoire des plantes de Dauphiné ... - Villars, Dominique, 1745 -1814 (Chez l'auteur, 1786)

Histoire naturelle - Pliny, the Elder, 23 or 24 -79 (Didot, 1865)

Histoire naturelle des drogues simples, ou, Cours d'histoire naturelle professé à l'École de pharmacie de Paris - Guibourt, N.-J.-B.-G. (Nicolas Jean Baptiste Gaston), 1790 -1867 (J. Baillière, 1849)

Histoire naturelle des insectes. Spécies général des lépidoptères - Boisduval, Jean Alphonse, 1801 -1879 (Roret, 1857)

Histoire naturelle des principales productions de l'Europe méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes - Risso, A. (Antoine), 1777 -1845 (Chez F.-G. Levrault, libraire, 1826)

Histoire naturelle des zoophytes échinodermes : comprenant la description des crinoïdes, des ophiurides, des astérides, des échinides et des holothurides - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Librairie encyclopédique de Roret, 1862)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1997)

History and antiquities of Charnwood forest : with an appendix on the geology, botany & ornithology of the district - Potter, Thomas Rossell. (Hamilton, 1842)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1885)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1882)

A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology ... - MacGillivray, William 1796 -1852 (Printed for Scott, Webster, and Geary, 1837)

A history of British moths - Morris, F. O. (Francis Orpen), 1810 -1893 (John C. Nimmo, 1903)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1850)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1890)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1923)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1935)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1959)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1974)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1991)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1997)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1999)

A history of the birds of Europe : including all the species inhabiting the western palaearctic region - Sharpe, Richard Bowdler, 1847 -1909 (Published by the Author, 1871)

A history of the birds of Europe, not observed in the British Isles - Bree, Charles Robert, 1811 -1886 (Groombridge and Sons, 1862)

A history of the birds of Europe, not observed in the British Isles - Bree, Charles Robert, 1811 -1886 (G. Bell & Sons, 1875)

History of vegetable substances used in the arts, in domestic economy, and for the food of man (Lilly, Wait, Colman and Holden, 1833)

Hoffmann-Dennert botanischer Bilderatlas, nach dem naturlichen Pflanzensystem - Dennert, Eberhard, 1861 -1942 (Schweizerbart, 1911)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1908)

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

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1914)

Horticulteur belge, journal des jardiniers et amateurs (1833)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1982)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2014)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1880)

Icones plantarum medicinalium. Centuria I [-VI] - Zorn, Johannes, 1739 -1799 (auf Kosten der Raspischen Buchhandlung, 1779)

Ideen zu einer Geographie der Pflanzen : nebst einem Naturgemälde der Tropenländer : auf Beobachtungen und Messungen gegründet, welche vom 10ten Grade nördlicher bis zum 10ten Grade südlicher Breite, in den Jahren 1799, 1800, 1801, 1802 und 1803 angestellt worden sind - Humboldt, Alexander von, 1769 -1859 (Bey F.G. Cotta, 1807)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1949)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1951)

An illustrated natural history of British butterflies and moths - Newman, Edward, 1801 -1876 (W.H. Allen, 1800)

Illustrations of British entomology; or, A synopsis of indigenous insects: containing their generic and specific distinctions - Stephens, James Francis, 1792 -1853 (Printed for the author; published by Baldwin and Cradock, 1831)

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains :and of the flora of Cashmere - Royle, J. Forbes (John Forbes), 1798 -1858 (Wm. H. Allen, 1839)

Illustrations of the British flora: a series of wood engravings, with dissections, of British plants - Bentham, George, 1800 -1884 (L. Reeve & co, 1880)

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1899)

Illustriertes Forst- und Jagd- Lexikon. Unter Mitwirkung von Dr. Bühler [et al.] - Fürst, Hermann Heinrich von, 1837 - (P. Parey, 1904)

Illustriertes Handbuch der Laubholzkunde :Charakteristik der in Mitteleuropa heimischen und im freien angepflanzten angiospermen Geho¨lz-Arten und Formen mit Ausschluss der Bambuseen und Kakteen - Schneider, Camillo, 1876 -1951 (G. Fischer, 1906)

Impacts of backcountry recreation : site management and rehabilitation : an annotated bibliography - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981)

Important western browse plants - Dayton, William A. (William Adams), 1885 - (U.S. Dept. of Agriculture, 1931)

Index seminum in Horto Botanico Universitatis Carolinae Pragensis anno ... collectorum = Seznam semen v Botanické Zahrade University Karlovy v Praze roko ... sbíraných - Univerzita Karlova. Botanická Zahrada. (Botanická Zahrada, 1930)

Index to information on insects associated with western wildland shrubs - Nelson, David L. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

Insekten-Börse (1895)

Insekten-Börse (1897)

Insekten-Börse (1903)

Die insekten Mitteleuropas insbesondere Deutschlands - Kieffer, J.-J. (Jean-Jacques), 1857 -1925 (Franckhsche verlagshandlung, 1914)

The International Phytogeographical Excursion in the British Isles (1911) : a record and some notes by various phytogeographers who took part in the excursion (New phytologist, 1913)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1907)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1909)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1910)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1916)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1832)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green and Longman, 1835)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, & Longman, 1832)

Introduction to the Arctic zoology - Pennant, Thomas, 1726 -1798 (Printed for Robert Faulder, 1792)

An introduction to the structure and reproduction of plants - Fritsch, Felix Eugene, 1879 -1954 (G. Bell and sons ltd, 1920)

An introduction to the structure and reproduction of plants - Fritsch, Felix Eugene, 1879 -1954 (Bell, 1920)

Inventaire des plantes phanérogames et cryptogames vasculaires croissant spontanément ou cultivées en grand dans le département de l'Orne - Letacq, Arthur Louis, 1855 -1923 (Jules Lecerf, 1906)