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

Handbuch der botanischen terminologie und systemkunde - Bischoff, Gottlieb Wilhelm, 1797 -1854 (1830)

Handbuch der chemischen Mittel gegen Pflanzenkrankheiten : Herstellung und Anwendung im Grossen - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1898)

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

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

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

Handbuch der Petrefaktenkunde - Quenstedt, Fr. Aug. von (Friedrich August), 1809 -1889 (H. Laupp, 1885)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1928)

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

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1932)

Handbuch der Pflanzenkrankheiten - Sorauer, Paul, 1839 -1916 (P. Parey, 1921)

Handbuch der Pflanzenkrankheiten - Lindau, Gustav, 1866 -1923 (P. Parey, 1908)

Handbuch der Pharmakognosie - Remy, E. (C. H. Tauchnitz, 1909)

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)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Handbuch der technischen Mykologie. Unter Mitwirkung [von] J. Behrens [et al.] hrsg. von Franz Lafar - Lafar, Franz, 1865 - (G. Fischer, 1904)

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

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, 1900)

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

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

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

Die Harbkesche wilde Baumzucht theils Nordamerikanischer und anderer fremder : theils einheimischer Bäume, Sträucher und Strauchartigen Pflanzen, nach den Kennzeichen der Anzucht, den Eigenschaften und der Benutzung - Walwert, Georg Christoph, 1748 -1812 (im Verlage de Fürstl. Waisenhaus-Buchhandlung, 1771)

Hardy deciduous and evergreen trees, vines, shrubs and fruits : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1929)

Hardy deciduous and evergreen trees, vines, shrubs and fruits : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1930)

Hardy deciduous and evergreen trees, vines, shrubs and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1932)

Hardy deciduous and evergreen trees, vines, shrubs, perennials and fruits, etc. : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1928)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1924)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1924 and 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1924)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1925)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1927)

Hardy deciduous and evergreen trees, vines, shrubs, roses, perennials, fruits, etc. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1926)

Hardy fruit and ornamental trees : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Coe, Converse & Edwards Co, 1910)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1912)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1917)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1915)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1929)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1918)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1920)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1923)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1924)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1922)

Hardy fruits & ornamentals [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1925)

Hardy fruits & ornamentals [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1926)

Hardy fruits and ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1937)

Hardy nursery plants, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kirkland Nursery Co, 1947)

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, 1925)

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, 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, 1922)

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

Hardy ornamental trees, shrubs, roses, plants and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Park Nurseries, 1911)

Hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1930)

Hardy perennials, conifers, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramus Nursery, 1927)

Hardy perennials, conifers, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (K.E. de Waal Malefyt, 1922)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1947)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1945)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1936)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1944)

Hardy plant materials [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1929)

Hardy plants and ornamentals, fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Esham's Nurseries, 1933)

Hardy plants and trees for garden and orchard : reference guide and catalog, what and where to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Lehde Nurseries, 1937)

Hardy plants for Canadian homes, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McConnell Nursery Co, 1945)

Hardy plants for New England gardens, 1934 : perennials, rock plants, flowering shrubs, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1934)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1933)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1936)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1935)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens : 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1931)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1930)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1932)

Hardy plants of rare quality : Fall 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1903)

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 : price list, spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1927)

Hardy stock for pleasure grounds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hiram T. Jones, 1900)

Hardy trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Hardy trees and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1915)

Hardy trees and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1914)

Hardy trees, evergreens, vines, shrubs, roses, perennials, fruits, etc. : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Co, 1923)

Hardy trees, plants, shrubs and roses [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (National Nurseries, 1927)

Hardy trees, plants, shrubs and roses [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Willis Nurseries, 1927)

Hardy trees, shrubs and evergreens, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1928)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1913)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1910)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1919)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1922)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1926)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1921)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1921)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1922)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1929)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United Litho. & Ptg. Cos, 1924)

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, 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)

Harman's general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.H. Harman Company, 1915)

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

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1937)