Handbook of ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1904)

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

Handbook of practical botany for the botanical laboratory and private student - Strasburger, Eduard, 1844 -1912 (Swan Sonnenschein, 1900)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (Reeve, 1858)

Handbook of the British flora, a description of the flowering plants and ferns indigenous to or naturalised in the British Isles. For use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1900)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1858)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles. For the use of beginners and amateurs. By George Bentham - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & Co, 1920)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve, 1908)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve & Co., ltd, 1918)

Handbook of the Torquay flora; comprising the flowering plants and ferns growing in and around Torquay, with their respective habitats - Stewart, Robert, M.R.C.S. (E. Croydon, Royal Library, 1860)

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 Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der Laubholzkunde : Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher. Für Botaniker, Gärtner und Forstleute - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)

Handbuch der Laubholzkunde. Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)

Handbuch der paläarktischen Gross-Schmetterlinge für Forscher und Sammler - Standfuss, Maximilian Rudolph, 1854 - (G. Fischer, 1896)

Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 1882)

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

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, 1882)

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, 1888)

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, 1893)

Hardy flowers. Descriptions of upwards of thirteen hundred of the most ornamental species, with directions for their arrangement, culture, etc. ... - Robinson, W. (William), 1838 -1935 (Macmillan, 1878)

Hardy garden flowers - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1912)

Hardy herbaceous plants and ornamental grasses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink and Atkins, 1903)

Hardy ornamental flowering trees and shrubs - Webster, A. D. (Angus Duncan), 1855 -1931 (Smith, Elder, 1908)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1923)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1924)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1922)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1925)

Hardy ornamental trees and shrubs - James Veitch & Sons. (James Veitch & Sons, Ltd, 1911)

Hardy perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1917)

Hardy perennial plants from all over the world : Dutch bulbs, and natives of California, ferns, lilies, rock plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1918)

Hardy plants : a complete collection : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1926)

Hardy plants : a complete collection : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1927)

Hardy plants for rock gardens and border : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iris Acres, 1927)

Hardy plants : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1949)

Hardy plants : price list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1946)

Hardy plants : price list, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1946)

Hardy plants : price list, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1947)

[Harlan P. Kelsey (Firm) materials] - Harlan P. Kelsey (Firm) (1885)

Harris seeds 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1920)

Harris seeds 1921 : from the grower to the sower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1920)

Harris seeds 1922 [catalog] : from the grower to the sower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1922)

Harris seeds 1923 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1923)

Harris seeds : 1924 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1924)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Son's, 1913)

Hauptkatalog, Nr. 92, 1907 : Wasserpflanzen, Baumschul und Stauden Katalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Heinrich Henkel, 1907)

Hauptpreisverzeichnis, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1928)

Der Hausvater - Münchhausen, Otto, Freiherr von, 1716 -1774 (Försters und Sohns Erben, 1770)

Hedwigia (Verlag und Druck von C. Heinrich, 1873)

Hedwigia (Verlag und Druck von C. Heinrich, 1878)

Hedwigia (Verlag und Druck von C. Heinrich, 1899)

Hedwigia (Verlag und Druck von C. Heinrich, 1909)

Helps to a beautiful home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Co, 1907)

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

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

Henderson's plant catalog 1936 : new and standard roses bedding and perennial plants shrubs, vines, fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1936)

Henderson's plant catalogue : new and standard roses bedding and perennial plants shrubs, vines, fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1935)

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, 1935)

Herbertia - American Plant Life Society. (American Plant Life Society, 1934)

Herbertia - American Plant Life Society. (American Plant Life Society, 1938)

Herborisations à Salève - Fauconnet, Charles, 1811 -1876 (Impr. Carey frères, 1867)

Les herborisations parisiennes; recherche, étude pratique et détermination facile des plantes qui croissent dans les environs de Paris - Baillon, H. (Henri), 1827 -1895 (O. Doin, 1890)

Herbs, rare house plants, geraniums, begonias, perennials : 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Merry Gardens, 1956)

The heredity of acquired characters in plants - Henslow, George, 1835 -1925 (J. Murray, 1908)

Histoire abrégée des plantes usuelles : contenant leurs différens noms latins, français et vulgaires, leurs doses, leurs principales compositions en pharmacie, et la manière de s'en servir - Chomel, Pierre Jean Baptiste, 1671 -1740 (chez L. Duprat-Duverger, 1804)

Histoire des arbres et arbrisseaux qui peuvent être cultivés en pleine terre sur le sol de la France - Desfontaines, René Louiche, 1750 -1833 (J. A. Brosson, 1809)

Histoire des plantes de Dauphiné ... - Villars, Dominique, 1745 -1814 (Chez l'auteur, 1786)

Histoire des plantes de Dauphiné ... - Villars, Dominique, 1745 -1814 (Chez l'auteur, 1787)

Histoire des plantes - Baillon, H. (Henri), 1827 -1895 (Librairie Hachette, 1891)

Histoire naturelle de Pline - Pliny, the Elder, 23 or 24 -79 (C. L. F. Panckoucke, 1829)

Histoire naturelle des drogues simples, ou, Cours d'histoire naturelle professé à l'École de pharmacie de Paris - Royal College of Physicians of Edinburgh. (J.B. Bailliere, 1869)

Histoire naturelle des drogues simples : ou Cours d'histoire naturelle professé a l'École supérieure de pharmacie de Paris - Guibourt, N.-J.-B.-G. (Nicolas Jean Baptiste Gaston), 1790 -1867 (J.-B. Baillière et fils, 1876)

Histoire naturelle des drogues simples, ou, Cours d'histoire naturelle professé à l'École de pharmacie de Paris - Guibourt, N.-J.-B.-G. (Nicolas Jean Baptiste Gaston), 1790 -1867 (J. Baillière, 1849)

Histoire naturelle des principales productions de l'Europe méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes - Risso, A. (Antoine), 1777 -1845 (Chez F.-G. Levrault, libraire, 1826)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1839)

Histoire naturelle du département des pyrénées-orientales - Companyo, Louis. (Imprimerie de J.-B. ALzine, Rue des Trois-Rois, 1, 1861)

Histoire physiologique des Plantes d'Europe, ou exposition des phénomènes qu'elles presentent dans les diverses periodes de leur développement - Vaucher, Jean-Pierre, 1763 -1841 (Aurel Freres, 1841)

Histologische Beiträge - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1888)

Histologische Beiträge - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1889)

Historia plantarum : species hactenus editas aliasque insuper multas noviter inventas & descriptas complectens - Tournefort, Joseph Pitton de, 1656 -1708 (Typis Mariæ Clark, prostant apud Henricum Faithorne [etc.], 1686)

A history of gardening in England - Cecil, Evelyn, Mrs., 1865 -1941 (J. Murray, 1910)

A history of gardening in England - Cecil, Evelyn, Mrs., 1865 -1941 (B. Quaritch, 1896)

A history of gardening in England - Cecil, Evelyn, Mrs., 1865 -1941 (E.P. Dutton, 1910)

The history of Glanville's Wootton, in the County of dorset, including its zoology and botany - Dale, Charles William, 1851 -1906 (Hatchards, 1878)

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

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)

Home gardening - Trivedi, Pratibha P. (Indian Council of Agricultural Research, 2010)

Hoopes, Bro. & Thomas Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1917)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1910)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1912)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1908)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1914)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1915)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1918)

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, 1865)

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, 1913)

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

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1911)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1912)

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, 1865)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1834)

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

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

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

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1911)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1847)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1855)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1857)

The Horticulturist and journal of rural art and rural taste (Luthur Tucker, 1858)

House & garden (Condé Nast Publications, etc.], 1907)

The Household journal and Floral life plant premium list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Household journal and Floral life, 1911)

Hoveys' illustrated catalogue of new plants for 1872 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1872)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (Collier, 1921)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (P.F. Collier & Son Company, 1921)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (P. F. Collier & Son Company, 1921)

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 make a flower garden; a manual of practical information and suggestions - Miller, Wilhelm, 1869 - (Doubleday, Page & company, 1903)

Howell Nurseries : azaleas, magnolias, hollies, evergreens, flowering shrubs, ornamental trees and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1937)

Howell Nurseries : azaleas, magnolias, hollies, evergreens, flowering shrubs, ornamental trees and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1939)

Howell's descriptive catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1929)

Howell's descriptive catalog and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howell Nurseries, 1933)

The Huth Seed Co. catalogue, 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.W. Huth Seed Co, 1917)

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

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)

Eighth edition of R. Buist's catalogue of green-house plants, ornamental trees, shrubs, roses, herbacious plants, &c - Robert Buist Company (Robert Buist Company, 1844)

Les îles Canaries. Flore de l'archipel - Proust, Louis, 1878 -1959 (P. Klincksieck, 1908)

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