Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1908)

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 the Coleoptera or Beetles of Great Britain and Ireland - Cox, Herbert Edward (E.W. Janson, 1874)

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

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

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

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

Handbuch der Forstwissenschaft. In Verbindung mit A. Bühler [et al.] Hrsg. von Tuisko Lorey - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1888)

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

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1881)

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

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

Handbuch der vergleichenden Physiologie - Winterstein, Hans, 1879 - (Fischer, 1911)

Handbuch der Zoologie mit besonderer Berücksichtigung derjenigen Thiere, welch in Bezug auf Forst und Landwirthschaft, sowie hinsichtlich der Jagd vorzüglich wichtig sind ... Zweiter Theil Wirbellos Thiere ... - Döbner, Eduard Philipp, 1810 -1890 (Krebs, 1862)

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

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)

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)

Harmful non-indigenous species in the U.S. : hearings before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, second session, March 11 and 15, 1994 - United States. Congress. Senate. Committee on Governmental Affairs. (U.S. G.P.O, 1994)

Hawaiian biogeography : evolution on a hot spot archipelago - Funk, V. A. (Vicki Ann), 1947 - (Smithsonian Institution Press, 1995)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1920)

Heliothis/Helicoverpa : 1993 supplement to the five-year National Research Action Plan for Development of Suppression Technologies : first annual review held in Junction, Texas, November 8-11, 1993 (U.S. Dept. of Agriculture, Agricultural Research Service, 1994)

Heliothis/Helicoverpa : 1997 supplement to the five-year national research plan for the development of suppression technologies, including a new virtual laboratory research plan : second review, College Station, Texas, October 7-8, 1997 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1998)

High arctic insect-flower relations : the inter-relationships of arthropods and flowers at Lake Hazen, Ellesmere Island, N.W.T., Canada - Kevan, Peter G., 1944 - (University of Alberta, Dept. of Entomology, 1970)

Histoire physique, naturelle, et politique de Madagascar - Grandidier, Alfred, 1836 -1921 (Impr. nationale, 1887)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1990)

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, 2000)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 2001)

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

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1876)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1842)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1988)