Hardy plants, root strength, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1937)

Hardy plants, root strength, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1938)

Hardy plants, roses, shrubs, bulbs : wholesale catalog, fall 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1956)

Hardy plants : roses, shrubs, lilies, bulbs, seeds : wholesale catalog, spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1941)

Hardy plants worth having : Spring 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1905)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Louis A. Byrne Nurseries, Inc, 1936)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daybreak Nurseries, 1936)

Hardy trees, shrubs, plants and bulbs : fall-spring 1946-1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1946)

Hardy trees, shrubs, plants and bulbs : fall-spring 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1947)

Hardy trees shrubs, vines, evergreens, hardy perennials and fruits : Spring 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1903)

Hardy trees, shrubs, vines, roses, plants and their uses : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries Co, 1914)

Hardy woody plants in the New York Botanical Garden - New York Botanical Garden (New York Botanical Garden, 1920)

Harmsworth's Universal encyclopedia - Hammerton, John Alexander, Sir, 1871 -1949 (Educational Bk. Co, 1900)

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

Hauptpreisverzeichnis, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1929)

Hayward's Botanist's pocket-book; containing the chief characteristics of British plants; with botanical name, common name, soil or situation, colour, growth, and time of flowering of every plant, arranged under its own order - Druce, George Claridge, 1850 -1932 (G. Bell, 1930)

The heather in lore, lyric and lay, by Alexander Wallace - Wallace, Alexander, 1859 - (A.T. De La Mare ptg. and pub. co., ltd, 1903)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2004)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2005)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2006)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2007)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2008)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2009)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2010)

Hedwigia (Verlag und Druck von C. Heinrich, 1866)

Hedwigia (Verlag und Druck von C. Heinrich, 1872)

Hedwigia (Verlag und Druck von C. Heinrich, 1884)

Hedwigia (Verlag und Druck von C. Heinrich, 1889)

Hedwigia (Verlag und Druck von C. Heinrich, 1893)

Hedwigia (Verlag und Druck von C. Heinrich, 1896)

Hedwigia (Verlag und Druck von C. Heinrich, 1897)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1904)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1911)

Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1913)

Hedwigia (Verlag und Druck von C. Heinrich, 1914)

Hedwigia (Verlag und Druck von C. Heinrich, 1915)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1920)

De heide als handelsgewas en sierplant - Uikens, Th. F. (K. van Hulst, 1858)

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, 1904)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1908)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1906)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1892)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1910)

Hemiptera gymnocerata Europæ. Hémiptères gymnocérates dEurope, du bassin de la Méditerranée et de lAsie russe, décrites - Reuter, Odo Morannal, 1850 -1913 (ex Officina typographica Societatis litterariæ fennicæ, 1883)

Hemiptera gymnocerata Europæ. Hémiptères gymnocérates dEurope, du bassin de la Méditerranée et de lAsie russe, décrites - Reuter, Odo Morannal, 1850 -1913 (ex Officina typographica Societatis litterariæ fennicæ, 1896)

Hemiptera gymnocerata Europæ. Hémiptères gymnocérates dEurope, du bassin de la Méditerranée et de lAsie russe, décrites - Reuter, Odo Morannal, 1850 -1913 (ex Officina typographica Societatis litterariæ fennicæ, 1891)

Hemipterologische Studien - Mayr, Gustav L. 1830 -1908 ([s.n.], 1864)

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

Herbarium normale : herbier des plantes nouvelles, peu connues et rares d'Europe principalement de France et d'Allemagne - Keck, K. (Karl), 1825 -1894 (F. Schultz, 1915)

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

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

Herborisations dans le Jura central: Val de Travers, Creux-du-Van, Tourbières des Ponts et de la Brévine - Gillot, X. (Xavier), 1842 -1910 (Association typographique, 1891)

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)