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. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1836)

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

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1925)

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 für botanische Bestimmungsübungen - Niedenzu, Franz, 1857 -1937 (Engelmann, 1895)

Handlexikon der Naturwissenschaften und Medizin - Bechhold, H. (Heinrich), 1866 -1937 (Bechhold, 1919)

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, 1878)

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, 1883)

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, 1892)

Harriman Alaska series. vol. I-V, VIII-XIV - Smithsonian Institution (Smithsonian Institution, 1904)

Hart & Vick's 1955 fall planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1955)

Hart & Vick's garden book, spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, Inc, 1945)

Hart & Vick seeds for your garden, spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, Inc, 1946)

Harvard botanical memoirs - Harvard University. (Harvard University], 1890)

Hastings Seed Company Records - H.G. Hastings; Company (Ga.) (1946)

Hastings' seeds bulbs nursery stock : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1951)

Hastings' seeds plants bulbs : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1946)

Hastings' seeds plants bulbs : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1949)

Hastings' seeds plants bulbs : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1950)

Hastings' seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1941)

Hastings' seeds : spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1942)

he bei ye sheng zi yuan zhi wu zhi 河北野生资源植物志 - Du, Yibin (杜怡斌) (he bei da xue chu ban she河北大学出版社, 2000)

he bei yuan chan ji xi xian zai pei zhi wu ming lu - Beijing da xue. Sheng wu xi.

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

Hedwigia (Verlag und Druck von C. Heinrich, 1900)

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Hedwigia (Verlag und Druck von C. Heinrich, 1907)

Hedwigia (Verlag und Druck von C. Heinrich, 1918)

Hedwigia (Verlag und Druck von C. Heinrich, 1919)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1894)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1896)

Henderson's 1936 farmers manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1936)

Henderson's 1937 farmers manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1937)

Henderson's 1938 farmers manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1938)

Henderson's American farmer's manual : 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1893)

Henderson's American farmer's manual : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Henderson's farmer's manual : 1847-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1912)

Henderson's farmer's manual : 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1906)

Henderson's farmers manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1923)

Henderson's farmers manual : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1916)

Henderson's farmers manual : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1917)

Henderson's farmers manual : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1918)

Henderson's farmers manual : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1919)

Henderson's farmers manual : 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1920)

Henderson's farmers manual : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1924)

Henderson's farmers manual : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1935)

Henderson's farmers manual : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1939)

Henderson's farmers manual : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1940)

Henderson's farmers manual : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1941)

Henderson's seed bulbs and plants for autumn planting : 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1944)

Henderson's seed bulbs and plants for autumn planting : 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1945)

Henderson's special list of farm seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1922)

Henderson's wheats grasses clovers for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1924)

Henderson's wheats-grasses-clovers for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1923)

Henderson's wheats - grasses - clovers for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1922)

Herbarium Musei Fennici : enumeratio plantarum Musei Fennici - Helsingin yliopisto. Kasvimuseo. (Ex officina typographica H.J. Simelii, 1889)

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

Herbationes upsalienses ... - Linné, Carl von, 1707 -1778 (L.M. Ho̊jer, 1753)

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)

Der Hercynische Florenbezirk : Grundzüge der Pflanzenverbreitung im mitteldeutschen Berg- und Hügellande vom Harz bis zur Rhön, bis zur Lausitz und dem Böhmer Walde - Drude, Oscar, 1852 -1933 (W. Engelmann, 1902)

Hesdörffers Monatshefte für Blumen und Gartenfreunde - Hesdörffer, Max, 1863 -1920 (R. Oppenheim (G. Schmidt), 1896)

Les Hétéroptères Miridés de France tome 1 les secteurs biogéographiques - Ehanno, Bernard 1935 - (1983)

Les Hétéroptères Miridés de France : inventaire critique des espèces recensées des territoires étudiés, des milieux explorés, d'après les travaux des auteurs depuis 1820 et les données personnelles tome II-A Inventaire et synthèses écologiques - Ehanno, Bernard 1935 - (1987)

Les Hétéroptères Miridés de France : inventaire critique des espèces recensées des territoires étudiés, des milieux explorés, d'après les travaux des auteurs depuis 1820 et les données personnelles tome 1 bis Les secteurs biogéographiques (suite) - Ehanno, Bernard 1935 - (1987)

High quality bulbs for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1921)

Hiram Sibley and Co's seed catalogue for 1883 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiram Sibley & Co, 1883)

Histoire des plantes d'Europe et étrangères. Les plus communes, les plus utiles et les plus curieuses, ou, Élémens de botanique pratique : ouvrage dans lequel on donne le signalement précis, suivant la méthode et les principes de Linné, des genres et des espèces leur synonymie, leurs propriétés, et une suite d'observations rédigées d'après nature - Linné, Carl von, 1707 -1778 (Chez Amable Leroy, 1806)

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

Histoire naturelle des végétaux Phanérogames Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1846)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1850)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1899)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1916)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1991)

Holmes' 1911 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1911)

Holmes' 1913 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1913)

Holmes' 1914 handbook of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1914)

Holmes' 1916 handbook of seeds, implements, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1916)

Holmes' 1917 handbook of seeds & shrubbery direct to the farmer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1917)

Holmes' handbook of seeds - Holmes Seed Company (Harrisburg, Pa.) (The Company, 1912)

Holmes' handbook of seeds : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1912)

Holmes' handbook of seeds and everything for the garden 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1919)

Holmes' handbook of seeds and everything for the garden 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1918)

Holmes' handbook of seeds and everything for the garden : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1921)

Holmes' tested seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Co, 1920)

Holmes' tested seeds : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Co, 1922)

Horse breeding : in theory and practice - Oettingen, Burchard von, 1850 -1923 (Sampson Low, Marston & Co, 1909)

Horticultural guide : autumn 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1890)

Horticultural guide : spring 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1898)

Horticultural guide : spring 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1899)

Horticultural guide : spring 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Currie Bros, 1900)

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

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

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

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1909)

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

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

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. 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, &c. &c., used as the food of the more valuable domestic animals; instituted by John, Duke of Bedford - Sinclair, George, 1786 -1834 (W. Ridgway, 1869)

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)

Hosea Waterer Golden Anniversary, 1892-1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1942)

Hosea Waterer's catalogue of high grade bulbs : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1921)

Hosea Waterer's catalogue of high grade bulbs : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1922)

Hosea Waterer's seed catalogue 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1919)

Hosea Waterer's seed catalogue : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1920)

Hosea Waterer's seed catalogue : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1921)

Hosea Waterer's seed catalogue : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1923)

Hosea Waterer's seed catalogue : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hosea Waterer, 1924)

Host and pathogen indices to the diseases observed on grasses in certain western states during 1941 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Agricultural Research Administration, United States Department of Agriculture, 1942)

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.], 1911)

House & garden (Condé Nast Publications, etc.], 1914)

Hovey's garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1928)

Hovey's garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1927)

Hovey's garden annual 1933 : seeds bulbs fertilizers horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1933)

Hovey's garden annual 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1935)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1930)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1929)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1931)

Hovey's garden annual : seeds bulbs fertilizer horticultural requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey and Company, 1932)

Hovey's reliable seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1937)

Hovey's reliable seeds : garden annual 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hovey & Co, 1936)

How to build and maintain your lawn - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Volkman & Co, 1953)

How to have better gardens for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Breck's of Boston, 1951)

How to know grasses by the leaves - M'Alpine, Archibald N., 1855 -1924 (D. Douglas, 1890)

How to know the grasses; pictured-keys for determining the common and important American grasses, with suggestions and aids for their study - Pohl, Richard Walter, 1916 - (W. C. Brown Co, 1954)

How to reseed parks and openings in the ponderosa pine zone in Colorado - United States. Forest Service. (Rocky Mountain Forest and Range Experiment Station, 1950)

huang he zhong you huang tu qu zhi wu ming lu - Zhongguo ke xue yuan. Xi bei sheng wu tu rang yan jiu suo zhi wu zu bian (zhong guo ke xue yuan chu ban)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1885)

Hunt's perfection seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Incorporated, 1931)

Hunt's perfection seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1932)

Hunt's perfection seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1933)