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, 1867)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1874)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1876)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1888)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1897)

Horae zoologicae. Zur vaterländischen Naturkunde ergänzende, sachliche und geschichtliche Bemerkungen - Leydig, Franz, 1821 -1908 (G. Fischer, 1902)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1931)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1930)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1924)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1925)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1927)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1929)

Horsford's autumn supplement for 1905 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1905)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1909)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1901)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1915)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1914)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1910)

Horticulteur belge, journal des jardiniers et amateurs (1833)

L'Horticulteur français de mil huit cent cinquante et un : journal des amateurs et des intérêts horticoles - Hérincq, F. (François), 1820 -1891 (Bureau du journal, 1870)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1831)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1832)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1835)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1836)

Horticultural supplies, seeds - Dunne & Co. (Dunne & Co, 1899)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1905)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1904)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1906)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1919)

L'horticulture dans les cinq parties du monde - Société nationale d'horticulture de France. (Société Nationale d'Horticulture, 1895)

Horticulture in the North a guide to fruit growing in the Prairie provinces of Canada : with chapters on the selection and cultivation of the ornamental trees and plants best adapted to this region, handling and care of nursery stock, the home beautifying the home, building and grafting, plant diseases and insects, etc - Buchanan, D. W. ([s.n.], 1907)

The horticulturist - Loudon, J. C. (John Claudius), 1783 -1843 (W. S. Orr & co, 1849)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1850)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1854)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1861)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1867)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1872)

The horticulturist : or, the culture and management of the kitchen, fruit, & forcing garden - Loudon, J. C. (John Claudius), 1783 -1843 (F. Warne, 1871)

Hortus Boissierianus : énumération des plantes cultivées en 1885 à Valleyres (Vaud) et à la Pierrière (Chambésy près Genève) - Durand, Th. (Théophile), 1855 -1912 (Georg & Cie, 1896)

Hortus kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Aiton, William, 1731 -1793 (Longman, Hurst, Rees, Orme, and Brown, 1813)

Hortus lignosus londinensis: or, A catalogue of all the ligneous plants, indigenous and foreign, hardy and half-hardy, cultivated in the gardens and grounds in the neighbourhood of London: with all their synonymes, scientific and popular, including their French, German, and Italian names; and with their native country, habit, habitation in the garden, etc. To which are added the prices of hardy trees and shrubs in the principal nurseries of London and Edinburgh, and at Bollwyller in France, and in Hamburg - Loudon, J. C. (John Claudius), 1783 -1843 (The author, 1838)

Hortus suburbanus calcuttensis. A catalogue of the plants which have been cultivated in the Hon. East India company’s botanical garden, Calcutta, and in the Serampore botanical garden ... from the beginning of both establishments (1786 and 1800) to the end of August 1841 ... - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

Hortus suburbanus Calcuttensis; A catalogue of the plants which have been cultivated in the Hon. East India Company's botanical garden, Calcutta, and in the Serampore botanical garden - Voigt, J. O. (Jahann Otto), 1798 -1843 (Bishop's College Press, 1845)

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

House & garden (Condé Nast Publications, etc.], 1915)

Hovey & Co.'s catalogue of reliable, tested seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1889)

Hovey & Co's illustrated seed catalogue for 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1882)

Hovey & Co's illustrated seed catalogue for 1884 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1884)

Hovey & Co.'s reliable seeds bulbs : plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1893)

How crops grow : a treatise on the chemical composition, structure, and life of the plant, for agricultural students - Church, A. H. (Arthur Herbert), 1834 -1915 (Macmillan, 1869)

How crops grow. A treatise on the chemical composition, structure, and life of the plant, for all students of agriculture - Johnson, Samuel W. (Samuel William), 1830 -1909 (O. Judd & company, 1868)

How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture ... - Johnson, Samuel W. (Samuel William), 1830 -1909 (Orange Judd company, 1891)

How crops grow; a treatise on the chemical composition, structure and life of the plant, for students of agriculture, with numerous illustrations and tables of analyses - Johnson, Samuel W. (Samuel William), 1830 -1909 (O. Judd, 1894)

How crops grow. A treatise of the chemical composition, structure, and life of the plant, for all students of agriculture ... - Johnson, Samuel W. (Samuel William), 1830 -1909 (Orange Judd & company, 1868)

How crops grow A treatise of the chemical composition, structure, and life of the plant, for all students of agriculture ... - Making of America Project. (Orange Judd & company, 1868)

How crops grow; a treatise on the chemical composition, structure and life of the plant, for students of agriculture, with numerous illustrations and tables of analyses - Johnson, Samuel W. (Samuel William), 1830 -1909 (O. Judd, 1888)

How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture. With numerous illustrations and tables of analyses - Johnson, Samuel W. (Samuel William), 1830 -1909 (Orange Judd Company, 1898)

How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture. With numerous illustrations and tables of analyses - Johnson, Samuel W. (Samuel William), 1830 -1909 (Orange Judd Co, 1900)

How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture. With numerous illustrations and tables of analyses - Johnson, Samuel W. (Samuel William), 1830 -1909 (Orange Judd company, 1911)

How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture. With numerous illustrations and tables of analyses - Johnson, Samuel W. (Samuel William), 1830 -1909 (O. Judd Company, 1890)

How to find and name wild flowers; being a new method of observing and identifying upwards of 1,200 species of flowering plants in the British isles - Fox, Thomas. (Cassell, 1906)

How to study plants - Wood, Alphonso, 1810 -1881 (American book company, 1895)

How to study plants : or, Introduction to botany, being an illustrated flora - Wood, Alphonso, 1810 -1881 (Barnes, 1882)

The Hoyt Nurseries, 1848-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoyt Nurseries, 1948)

The Hoyt Nurseries, 1848-1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoyt Nurseries, 1949)

huang tu gao yuan zhi wu zhi - Xi bei zhi wu yan jiu suo 西北植物研究所 (ke xue chu ban she, 2000)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1882)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1889)

A hundred years in the Highlands - MacKenzie, Osgood Hanbury, 1842 -1922 (E. Arnold, 1921)

Hymenoptera of America north of Mexico : synoptic catalog, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

Hymenopterologische studien - Foerster, Arn. (Arnold), 1810 -1884 (Ernst ter Meer, 1856)

The hypodermataceae of conifers - Darker, Grant Dooks. (The Arnold Arboretum of Harvard University, 1932)

I. Oberpliocäne Flora und Fauna des Untermaintales, insbesondere des Frankfurter Klärbeckens. II. Unterdiluviale Flora von Hainstadt a. M - Engelhardt, H. (Hermann), 1839 -1918 (Im Selbstverlage der Senckenbergischen Naturforschenden Gesellschaft, 1908)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1988)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1996)

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, 1861)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1865)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1885)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1892)

Die ichneumonen der forstinsecten in forstlicher und entomologischer beziehung; ein anhang zur Abbildung und beschreibung der forstinsecten - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Nicolaischen Buchhandlung, 1844)

Ichneumonologia brittannica. The ichneumons of Great Britain; a descriptive account of the families, genera and species indigenous to the British islands, together with notes as to classifiation, localitites, habitats, host, etc - Morley, Claude 1874 -1951 (J.H. Keys, 1903)

Icones florae Germanicae et Helveticae, simul Pedemontanae, Tirolensis, Istriacae, Dalmaticae, Austriacae, Hungaricae, Transylvanicae, Moravicae, Borussicae, Holsaticae, Belgicae, Hollandicae, ergo Mediae Europae. Iconographia et supplementum ad opera Willdenowii [et al.] ... - Reichenbach, H. G. (Heinrich Gustav) 1824 -1889 (F. Hofmeister [etc.], 1849)

Icones plantarum medico-oeconomico-technologicarum cum earum fructus ususque descriptione =Abbildungen aller medizinisch-ökonomisch-technologischen Gewächse mit der Beschreibung ihres Gebrauches und Nutzens - Albrecht, Ignatz. (herausgegeben von Ignatz Albrecht und verlegt bey Phil. Jos. Schalbaecher, 1804)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1859)

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)

Identification notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1954)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (J. Wiley & Sons, 1919)

The identification of trees & shrubs; how to recognize, without previous knowledge of botany, wild or garden trees and shrubs native to the north temperate zone - Makins, F. K. (Dutton, 1937)

I.E. Ilgenfritz' Sons Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1925)

Ilgenfritz' descriptive evergreen catalogue : 90th Anniversary year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1937)

Ilgenfritz Monroe Nursery. No. 99A-S - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1945)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1916)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1971)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1935)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1997)

Illinois forest management : a quarterly newsletter for Illinois landowners - University of Illinois at Urbana-Champaign. Cooperative Extension Service. (Dept. of Forestry and the Cooperative Extension Service, University of Illinois at Urbana-Champaign, 1998)

Illinois' forest resource - Raile, Gerhard K. (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988)

Illinois forest statistics, 1985 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1987)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

Illustrated and descriptive catalogue of fruit and ornamental trees : roses grape vines shrubs small fruits plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Nursery Co, 1910)

Illustrated and descriptive catalogue of ornamental trees, shrubs, roses, grape vines, small fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (First National Nurseries, 1917)

Illustrated catalogue : Cox Seed and Plant Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cox Seed and Plant Co, 1895)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)