History of Vermont, natural, civil and statistical, in three parts, with an appendix. 1853 - Thompson, Zadock, 1796 -1856 (The author, 1853)

History of Vermont, natural, civil and statistical, in three parts, with a new map of the state, and 200 engravings - Thompson, Zadock, 1796 -1856 (C. Goodrich, 1842)

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

Holiday excursions of a naturalist, forming a guide-book to the natural history of the inland and littoral - Garner, Robert, 1808 -1890 (Hardwicke, 1867)

Holsteinische Flora. Ein Taschenbuch zum Bestimmen der einheimischen Phanerogamen - Borchmann, F. (Friedrich), 1827 -1907 (Schröder, 1856)

Home and garden; notes and thoughts, practical and critical, of a worker in both - Jekyll, Gertrude, 1843 -1932 (Longmans,Green and co, 1910)

Home and garden : notes and thoughts, practical and critical, of a worker in both - Jekyll, Gertrude, 1843 -1932 (Longmans, Green, 1900)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1849)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1850)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1857)

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, 1910)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1899)

Horti upsaliensis plantæ cultæ ab initio sæculi ... - Thunberg, Carl Peter, 1743 -1828 (excudebant Palmblad & c, 1826)

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, 1872)

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

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1907)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1871)

Hortus Anglicus; or, the modern English garden: containing a familiar description of all the plants which are cultivated in the climate of Great Britain, either for use or ornament, and of a selection from the established favourites of the stove and green-house; arranged according to the system of Linnaeus. With remarks on the properties of the more valuable species - Linné, Carl von, 1707 -1778 (Printed for F. C. & J. Rivington, 1822)

Hortus Berolinensis : sive icones et descriptiones, plantarum rariorum vel minus cognitarum, quae in Horto Regio botanico Berolinensi excoluntur - Link, Heinrich Friedrich, 1767 -1851 (F. Schüppel, 1816)

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 cantabrigiensis : or, An accented catalogue of indigenous and exotic plants cultivated in the Cambridge Botanic Garden - Cambridge Botanic Garden. (Longman, 1845)

Hortus Cliffortianus : plantas exhibens quas in hortis tam vivis quam siccis, Hartecampi in Hollandia, coluit ... Georgius Clifford ... reductis varietatibus ad species, speciebus ad genera, generibus ad classes, adjectis locis plantarum natalibus differentiisque specierum. Cum tabulis aeneis - Linné, Carl von, 1707 -1778 ([s.n.], 1737)

Hortus Dyckensis; oder, Verzeichniss der in dem botanischen Garten zu Dyck wachsenden Pflanzen - Salm-Reifferscheidt, Joseph, Graf zu, 1773 -1861 (Arnz, 1834)

Hortus gramineus woburnensis; or, An account of the results of experiments on the produce and nutritive qualities of different grasses and other plants used as the food of the more valuable domestic animals: instituted by John, duke of Bedford. Illustrated with numerous figures of the plants and seeds upon which these experiments have been made ... - Sinclair, George, 1786 -1834 (J. Ridgway, 1826)

Hortus gramineus Woburnensis : or, an account of the results of experiments on the produce, and nutritive qualities of different grasses, and other plants, used as the food of the more valuable domestic animals : instituted by John Duke of Bedford - Sinclair, George, 1786 -1834 (Printed by B. McMillan, 1816)

Hortus Gramineus Woburnensis; or, An account of the results of experiments on the produce and nutritive qualities of different grasses and other plants used as the food of the more valuable domestic animals; instituted by John, Duke of Bedford ... - Sinclair, George, 1786 -1834 (J. Ridgway, 1824)

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, 1811)

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 Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew - Ehret, Georg Dionysius, 1708 -1770 (Printed for George Nicol, Bookseller to his Majesty, 1789)

Hortus Marybonensis, or, A catalogue of hardy herbaceous plants, deciduous & evergreen shrubs, forest & fruit trees, to which is added, a list of aquatic and bog plants - Jenkins, Thomas. (Printed for and sold by the proprietor, 1819)

Hortus medicus Edinburgensis, or, A catalogue of the plants in the Physical Garden at Edinburgh : containing their most proper Latin and English names; with an English alphabetical index - Sutherland, James (printed by the heir of Andrew Anderson, and to be sold by Mr. Henry Ferguson seed-merchant, at the head of Black Friar-Wynd, and at the Physical Garden by the author, 1683)

Hortus Romanus juxta systema Tournefortianum - Tournefort, Joseph Pitton de, 1656 -1708 (Sumptibus Bouchard et Gravier ex typographia Pauli Junchi, 1780)

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)

Hortus suburbanus Londinensis, or, A catalogue of plants cultivated in the neighborhood of London : arranged according to the Linnean system, with the addition of the natural orders to which they belong, references to books where they are described, their native places of growth, when introduced, time of flowering, and reference to figures - Sweet, Robert, 1783 -1835 (Printed for James Ridgway, 1818)

Hortvs medicvs et philosophicvs : in qvo plvrimarvm stirpivm breves descriptiones, novæ icones non paucæ, indicationes locorum natalium, observationes de cultura earum peculiares, atque insuper nonnulla remedia euporista, nec non philologica quædam continentur - Camerarius, Joachim, 1534 -1598 (Impressum ... apud Iohannem Feyerabend, 1588)

Hovey & Co.'s illustrated guide to the flower and vegetable garden, and catalogue of seeds - Hovey & Co. (Hovey & Co, 1875)

Hovey & Co.'s illustrated guide to the flower and vegetable garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1872)

Hoveys' illustrated catalogue of new plants for 1871 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1871)

Hoveys' illustrated guide and seed catalogue for 1879 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1879)

Hoveys' illustrated guide and seed catalogue for 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1880)

How plants grow a simple introduction to structural botany : with a popular flora, or an arrangement and description of common plants, both wild and cultivated : illustrated by 500 wood engravings - Gray, Asa, 1810 -1888 (A. Miller, 1858)

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)

hu bei en shi yao yong zhi wu zhi 湖北恩施药用植物志 - Fang, Zhixian & Liao Chaolin 方志先，廖朝林 (hu bei ke xue ji shu chu ban she湖北科学技术出版社, 2006)

Huntington 1929 : catalogue of seeds, plants & bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1929)

Huntington, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1937)

Huntington, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1938)

Huntington, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1939)

Huntington, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1940)

Huntington's, 1933 : rare seeds of alpines, perennials and annuals, hardy herbaceous and selected rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1933)

Huntington's catalogue, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1935)

Huntington's catalogue, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1936)

Huntington's catalogue of finest Alpine, perennial and selected annual seeds, hardy herbaceous plants, bulbs, shrubs, and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1930)

Huntington's catalogue of rare seeds, hardy plants, novelties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1941)

Huntington's list of the best known and most useful seeds of perennial and biennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1926)

Huntington's rare and unusual Alpine, perennial and annual seeds, hardy herbaceous plants, bulbs, and roses, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1931)

Huntington's seeds, bulbs, plants, shrubs, and roses, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1932)

Huntington's seeds of perennial and biennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1927)

Huntington's seeds of perennial and biennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1929)

Huntington's seeds of perennial and biennial plants : list of best known and most useful for your files - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington, 1924)

Huntingtons present their complete list of rare and unusual alpine, perennial and annual seeds, select hardy herbaceous and choice rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ralph E. Huntington Nursery, 1934)

Hymenoptera ... - Morley, Claude 1874 -1951 (Taylor and Francis; [etc., etc.], 1913)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

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

Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch - Schmiedeknecht, Otto, 1847 -1936 (G. Fischer, 1907)

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.], 1867)

Icones plantarum Indiae Orientalis :or figures of Indian plants - Wight, Robert, 1796 -1872 (published by J.B. Pharoah for the author, 1843)

Icones plantarum Indiae Orientalis :or figures of Indian plants - Wight, Robert, 1796 -1872 (published by J.B. Pharoah for the author, 1846)

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

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, 1806)

Icones plantarum novarum vel imperfecte cognitarum floram Rossicam, imprimis Altaicam, illustrantes - Ledebour, Carl Friedrich von, 1785 -1851 (apud I. Deubner, 1833)

Icones plantarum Syriæ rariorum : descriptionibus et observationibus illustratæ - Labillardière, Jacques Julien Houton de, 1755 -1834 (Impensis Autoris [etc.], 1812)

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)

Iconographia floræ italicæ : ossia, Flora italiana illustrata ... - Crépin, François, 1830 -1903 (Tip. del seminario, 1895)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1873)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1869)

Iconum botanicarum index locupletissimus. Verzeichniss der Abbildungen sichtbar blühender Pflanzen und Farnkräuter aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (Nicolaische Verlagsbuchh, 1866)