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 plants - Henderson, Peter, 1822 -1890 (P. Henderson, 1881)

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

A handbook of the trees of California - Eastwood, Alice, 1859 -1953 (California Academy of Sciences, 1905)

A handbook of tropical gardening and planting, with special reference to Ceylon - Macmillan, Hugh Fraser. (1914)

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

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

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

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1890)

Handbuch der praktischen Botanik : enthaltend die Geschichte, Beschreibung und Anwendung sämmtlicher in Deutschland wildwachsenden und in den Gärten und Gewächshäusern cultivierten Pflanzen - Voigt, F. S. (Friedrich Siegmund), 1781 -1850 (F. Mauke, 1850)

Handleiding tot de kennis der flora van Nederlandsch Indië : Beschrijving van de families en geslachten der Nederl. Indische phanerogamen - Boerlage, Jacob Gijsbert, 1849 -1900 (E.J. Brill, 1890)

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

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1921)

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

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1913)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1926)

Helpful hints on plant selection : issued for the use of its customers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern California Acclimatizing Association, 1914)

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)

Henderson's Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1881)

Henderson's Nursery since 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. M. Henderson, 1933)

Henderson's Nursery since 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. M. Henderson, 1936)

Henderson's Nursery since 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. M. Henderson, 1937)

Henderson's Nursery since 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. M. Henderson, 1938)

Henderson's Nursery since 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. M. Henderson, 1939)

Henderson's Nursery since 1898 : catalog No. 42 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. M. Henderson, 1940)

Das Herbarienbuch : Erklärung des natürlichen Pflanzensystems, systematische Aufzählung, Synonymik und Register der bis jetzt bekannten Pflanzengattungen ... = Repertorium herbarii, sive, Nomenclator generum plantarum systematicus synonymicus et alphabeticus ad usum practicum accommodatus ... - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (In der Arnoldischen Buchh, 1841)

Herbarium : Organ zur Förderung des Austausches wissenschaftlicher Exsiccatensammlungen (Theodor Oswald Weigel, 1908)

Herbarium Pedemontanum; juxta methodum naturalem dispositum, additis nonnullis stirpibus exoticis ad universos ejusdem methodi ordines exhibendos - Colla, Luigi, 1766 -1848 (Ex Typis Regis, 1833)

Herbertia - American Plant Life Society. (American Plant Life Society, 1940)

Herborisations au Levant : Égypte, Syrie et Méditerranée - Barbey, William, 1842 -1914 (G. Bridel, 1882)

Hints on growing : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Co, 1923)

Hints on growing : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Co, 1924)

Hints on growing : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Co, 1925)

Hints on growing : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1928)

"Hints on growing" : annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company, 1931)

"Hints on growing" : annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1927)

Hints on growing for 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1929)

Hints on growing for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1932)

"Hints on growing" : "pedigreed seeds" [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1926)

Histoire des plantes de la Guiane Françoise : rangées suivant la méthode sexuelle, avec plusieurs mémoires sur différens objects intéressans, relatifs à la culture & au commerce de la Guiane Françoise, & une notice des plantes de l'Isle-de-France ... - Aublet, Fusée, 1720 -1778 (P. F. Didot jeune, 1775)

Histoire des plantes de la Guiane Françoise, rangées suivant la méthode sexuelle, avec plusiers mémoires sur différens objets intéressans, relatifs à la culture & au commerce de la Guiane Françoise, & une notice des plantes de l'Isle-de-France ... - Aublet, Fusée, 1720 -1778 (P.F. Didot jeune, 1775)

Histoire des plantes de la Guiane Françoise, rangées suivant la méthode sexuelle, avec plusieurs mémoires sur différens objets intéressans, relatifs à la culture & au commerce de la Guiane Françoise, & une notice des plantes de l'Isle-de-France - Aublet, Fusée, 1720 -1778 (P.F. Didot jeune, 1775)

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1870)

Histoire naturelle de Buffon, clasée par ordres, genres et espèces, d'après le système de Linné, avec les caractères génériques et la nomenclature Linnéenne - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Chez Deterville, 1803)

Histoire naturelle de la France (E. Deyrolle, 1903)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1834)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1848)

Histoire physique, naturelle, et politique de Madagascar - Grandidier, Alfred, 1836 -1921 (Impr. nationale, 1902)

Histoire physique, politique et naturelle de l'ile de Cuba - Sagra, Ramón de la, 1798 -1871 (A. Bertrand, 1845)

Historia fisica, politica y natural de la isla de Cuba - Sagra, Ramón de la, 1798 -1871 (A. Bertrand, 1845)

Historia natural : la creación - Brehm, Alfred Edmund, 1829 -1884 (Montaner y Simón, 1880)

The history of Barbados; comprising a geographical and statistical description of the island; a sketch of the historical events since the settlement; and an account of its geology and natural productions - Schomburgk, Robert H. (Robert Hermann), 1804 -1865 (Longman, Brown, Green and Longmans, 1848)

Home plantings : 1886–retail catalog–1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griffing Nurseries, 1930)

Home plantings, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griffing Nurseries, 1929)

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, 1851)

Hoosier Ranch Nursery [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoosier Ranch Nursery, 1930)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1913)

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 Elginensis, or A catalogue of plants, indigenous and exotic, cultivated in the Elgin Botanic Garden, in the vicinity of the city of New-York : established in 1801 - Hosack, David, 1769 -1835 (Printed by T. & J. Swords, 1811)

Hortus Jamaicensis, or A botanical description (according to the Linnean system) and an account of the virtues, &c., of its indigenous plants hitherto known, as also of the most useful exotics - Lunan, John. (St. Jago de la Vega Gazette, 1814)

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 - Ehret, Georg Dionysius, 1708 -1770 (Printed for George Nicol, Bookseller to his Majesty, 1789)

Hortus Mauritianus :ou enumeration des plantes, exotiques et indigenes, qui croissent a l'Ile Maurice, disposees d'apres la methode naturelle - Bojer, W., 1797 -1858 (Imprimerie d'Aimé Mamarot et Compagnie, 1837)

Hortus Mortolensis : enumeratio plantarum in Horto Mortolensi cultarum = Alphabetical catalogue of plants growing in the garden of the late Sir Thomas Hanbury ... at La Mortola, Ventimiglia, Italy - Berger, Alwin, 1871 -1931 (West, Newman, 1912)

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)

Hortus woburnensis; a descriptive catalogue of upwards of six thousand ornamental plants cultivated at Woburn Abbey ... - Bedford, John Russell, Duke of, 1766 -1839 (J. Ridgway, 1833)

How to make your home grounds beautiful - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.T. Ramsey & Son, 1911)

How to make your home grounds beautiful - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.T. Ramsey & Son, 1912)

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

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1873)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)

Icones carpologicae; or figures and descriptions of fruits and seeds - Ralph, Thomas Shearman 1813 -1892 (W. Pamplin, 1849)

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)

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 & Son, 1912)

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 (Wiley, 1919)

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 (John Wiley & sons, inc.; [etc., etc. ], 1919)

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 (John Wiley & sons, inc.; [etc., etc.], 1919)

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)

Illustrated 1925 descriptive catalog, our sixtieth anniversary - Roeding, George Christian, 1868 -1928 (California Nursery Company, 1925)

Illustrated catalogue and practical planters guide combined : 1918 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1918)

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

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

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

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1944)

Illustrated guide to the collection of fossils exhibited in the National Museum of Victoria - Chapman, Frederick, 1864 -1943 (H. J. Green, government printer, 1929)

Illustrated key to the longhorned woodboring beetles of the Eastern United States - Lingafelter, Steven W. (Coleopterists Society, 2007)

Illustrated price catalogue & practical planters guide combined : 1919 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1919)

Illustrated price catalogue : 1917 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1917)

Illustrated price catalogue 1920 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1920)

Imperial Institute journal - Imperial Institute (Great Britain) ([s.n.], 1895)

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

Improving forage for native bee crop pollinators - National Agroforestry Center (U.S.) (USDA National Agroforestry Center, 2006)

In Codicem botanicum linnaeanum index alphabeticus : generum, specierum ac synonymorum omnium completissimus - Linné, Carl von, 1707 -1778 (O. Wigand, 1840)

Index alphabeticus generum botanicorum quotquot a Willdenovio in Speciebus plantarum et a Persoonio in Synopsi plantarum recensentur - Lichtenstein, A. G. G. (August Gerhard Gottfried), 1780 -1851 (Leuckartiorum patris et filii, 1814)

Index generum phanerogamorum usque ad finem anni 1887 promulgatorum in Benthami et Hookeri "Genera plantarum" fundatus, cum numero specierum synonymis et area geographica - Bentham, George, 1800 -1884 (Sumptibus auctoris, 1888)