Guide to the insects of Connecticut - Wheeler, William Morton, 1865 -1937 (Printed for The State Geological and Natural History Survey, 1923)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's book agency; [etc.,etc.], 1869)

Guide to the study of insects and a treatise on those injurious and beneficial to crops : for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt, 1878)

Guide to the study of insects : and a treatise on those injurious and beneficial to crops for the colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1889)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's agency, 1868)

Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Agency; [etc., etc.], 1874)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1883)

Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

Guide to the study of insects and a treatise on those injurious and beneficial to crops for the use of colleges, farm-schools, and agriculturists - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1880)

Half-hours with insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes & Lauriat, 1873)

Half hours with insects - Packard, A. S. (Alpheus Spring), 1839 -1905 (Estes and Lauriat, 1881)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1866)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1878)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1883)

Handboek der dierkunde - Leuckart, Rudolf, 1823 -1898 (J.C.A. Sulpke, 1859)

Handbook of gardening for New Zealand, with chapters on poultry and bee-keeping - Murphy, M. (Whitcombe & Tombs, 1888)

The handbook of horticulture and viticulture of Western Australia - Western Australia. Department of Agriculture (F. W. Simpson, government printer, 1921)

The handbook of horticulture and viticulture of Western Australia - Western Australia. Department of Agriculture (W. A. Watson, government printer, 1902)

Handbook of insects injurious to orchard and bush fruits with means of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall, Hamilton, Kent, 1898)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them - Victoria. Dept. of Agriculture. (Robt. S. Brain, 1891)

A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them - Victoria. Dept. of Agriculture. (Robt. S. Brain, 1904)

A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them - Victoria. Dept. of Agriculture. (Robt. S. Brain, 1893)

A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them - Victoria. Dept. of Agriculture. (Robt. S. Brain, 1900)

A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them - Victoria. Dept. of Agriculture. (Robt. S. Brain, 1911)

Handbook of zoology - Hoeven, Jan van der, 1801 -1868 (University Press, 1856)

Handbuch der chemischen Mittel gegen Pflanzenkrankheiten : Herstellung und Anwendung im Grossen - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1898)

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 - Burmeister, Hermann, 1807 -1892 (G. Reimer, 1835)

Handbuch der Entomologie - Burmeister, Hermann, 1807 -1892 (G. Reimer, 1832)

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

Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1837)

Handbuch der pathogenen Mikroorganismen. Unter Mitwirkung von Rudolf Abel [et al.] Hrsg. von W. Kolle und A. von Wassermann - Kolle, Wilhelm, 1868 -1935 (G. Fischer, 1912)

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

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)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

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

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

Handleiding tot de beoefening der dierkunde - Schlegel, H. (Hermann), 1804 -1884 (Boekdrukkerij van de Gebroeders Nys, voor rekening van de Koninklijke Akademie voor Zee- en Landmagt, 1858)

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, 1866)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1906)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1908)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1909)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1902)

Hedwigia (Verlag und Druck von C. Heinrich, 1904)

Hedwigia (Verlag und Druck von C. Heinrich, 1914)

Hemipterologische Studien - Mayr, Gustav L. 1830 -1908 ([s.n.], 1864)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1910)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & company, 1910)

Histoire des insectes, traitant de leurs moeurs et de leurs métamorphoses en général et comprenant une nouvelle classification fondée sur leurs rapports naturels - Blanchard, Emile, 1819 -1900 (Firmin Didot frères, 1845)

Histoire des insectes : traitant de leurs moeurs et de leurs métamorphoses en général et comprenant une nouvelle classification fondée sur leurs rapports naturels - Blanchard, Emile, 1819 -1900 (Librairie de F. Didot Frères, 1845)

Histoire naturelle des animaux articulés, annelides, crustacés, arachnides, myriapodes et insectes - Castelnau, Francis, comte de, 1812 -1880 (M. Duménil, 1840)

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

Histoire naturelle des insectes, leurs moeurs, leurs métamorphoses et leur classification, ou Traité élémentaire d'entomologie - Blanchard, Emile, 1819 -1900 (F. Savy, 1873)

Histoire naturelle des insectes orthoptères, nèvroptères, hémiptères, hyménoptères, lépidoptères et diptères - Blanchard, Emile, 1819 -1900 (Société Bibliophile, 1851)

Histoire naturelle des insectes - Castelnau, Francis, comte de, 1812 -1880 (P. Duménil, 1840)

Historia de las plantas de Nueva España - Hernández, Francisco, 1517 -1587 (Imprenta Universitaria, 1946)

Historia filicum an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc - Smith, John, 1798 -1888 (Macmillan, 1875)

Historische Entwickelung der Lehre von der Parthenogenesis - Taschenberg, Otto, 1854 -1922 (M. Niemeyer, 1892)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1873)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1876)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1879)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1933)

Home, yard, and garden pest newsletter - Illinois. Natural History Survey Division (Cooperative Extension Service, 1994)

Homoptera Indica - Atkinson, Edwin T. (Edwin Thomas), 1840 -1890 (J.W. Thomas, 1886)

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, 1893)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1901)

Horticulture for schools - Booth, Charles J. (Charles Junius), 1884 -1976 (Macmillan, 1922)

The horticulturist's rule-book; a compendium of useful information for fruit growers, truck gardeners, florists, and others - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company; [etc.,etc.,], 1899)

The horticulturist's rule-book; a compendium of useful information for fruit growers, truck gardeners, florists, and others - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1897)

Household insects and their control - Twinn, C. R. (Cecil Raymond) (Minister of Agriculture, 1931)

How to grow and market fruit ; practical explanations and directions for making fruit trees produce profit - Harrison's Nurseries (Berlin, Md.) (Harrison's nurseries, 1911)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1894)