The handbook to the flower garden and greenhouse - Glenny, George, 1793 -1874 (W. Kent, 1859)

Handbook to the natural history of Cambridgeshire - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (University press, 1904)

Handbuch der allgemeinen Botanik - Müller, Nicolaus Jacob Carl, 1843? -1901 (C. Winter's UniversitMatsbuchhandlung, 1880)

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

Handbuch der Forstwissenschaft - Lorey, Tuisko von, 1845 -1901 (H. Laupp, 1912)

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 medicinisch-pharmaceutischen Botanik - Polet, C. B. (Verlag von C.B. Polet, 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 Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1909)

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

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

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

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

Handbuch der Pflanzenkrankheiten : für Landwirthe, Gärtner und Forstleute - Sorauer, Paul, 1839 -1916 (Wiegandt, Hempel & Parey, 1874)

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

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 des natürlichen Pflanzensystems nach allen seinen Classen, Ordnungen und Familien : nebst naturgemässer Gruppirung der Gattungen, oder Stamm und Verzweigung des Gewächsreiches : enthaltend eine vollständige Charakteristik und Ausführung der natürlichen Verwandtschaften der Pflanzen in ihrer Richtung aus der Metamorphose und geognostischen Verbreitung, wie die fortgebildete Zeit deren Anschauung fordert - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Arnold, 1850)

Handbuch des natürlichen Pflanzensystems nach allen seinen Classen, Ordnungen und Familien : nebst naturgemässer Gruppirung der Gattungen, oder Stamm und Verzweigung des Gewächsreiches : enthaltend eine vollständige Charakteristik und Ausführung der natürlichen Verwandtschaften der Pflanzen in ihrer Richtung aus der Metamorphose und geographischen Verbreitung, wie die fortgebildete Zeit deren Anschauung fordert - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Arnold, 1837)

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

Handbuch zur Erkennung der nutzbarsten und am häufigsten vorkommenden Gewächse - Link, Heinrich Friedrich, 1767 -1851 (Spenerschen Buchhandlung, 1829)

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

Handy book of ornamental conifers of rhododendrons and other American flowering shrubs suitable for the climate and soils of Britain - Fraser, Hugh, botanist. (W. Blackwood and sons, 1875)

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, 1869)

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, 1877)

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, 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, 1885)

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, 1886)

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, 1891)

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 American plants and Carolina mountain wildings : limited 60-day offer, free delivery : time limit, March 20, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1942)

Hardy American plants and Carolina mountain wildings : limited 90-day offer, free delivery : time limit, August 31, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1942)

Hardy American plants : special offering, summer 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1944)

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 Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2009)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1932)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1929)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1930)

Hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kenneth E. Gillett, 1931)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : price list, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1929)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : 1928 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1928)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1930)

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 herbaceous & Alpine plants : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous & Alpine plants : wholesale catalog, autumn 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1929)

Hardy herbaceous & Alpine plants : wholesale catalog, fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1930)

Hardy herbaceous and alpine plants for the rockery, home grounds or cut flowers : fall and spring 1932-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.A. Hallauer, 1932)

Hardy herbaceous and alpine plants : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy herbaceous and alpine plants : wholesale catalog, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1932)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1930)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1929)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Firm, 1926)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1924)

Hardy, native and imported alpines and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1935)

Hardy native and imported alpines and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1939)

Hardy native and imported alpines and perennials : retail catalog 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1942)

Hardy native and imported alpines and perennials : retail catalog 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1944)

Hardy native and imported alpines and perennials : retail catalog, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1945)

Hardy, native and imported alpines and perennials : spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.B. Drake, Alpine Gardens, 1934)

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

Hardy perennial flowers for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1931)

Hardy perennial plants [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1927)

Hardy perennial plants : season 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Perennial Gardens, 1958)

Hardy perennial plants : wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1931)

Hardy perennial plants : wholesale trade list [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1930)

Hardy perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1930)

Hardy perennials and rock plants : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1928)

Hardy plant material for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1931)

Hardy plant material for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1932)

Hardy plant material for 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1933)

Hardy plant material for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1934)

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

Hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1932)

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

Hardy plants : a complete collection, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1929)

Hardy plants : a complete collection, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank Josifko, 1930)

Hardy plants by Wayside Gardens : root strength, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1934)

Hardy plants : [fall catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1931)

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, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1937)

Hardy plants for New England gardens, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Inc., Nurseries, 1939)

Hardy plants for New England gardens, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Corliss Bros., Inc., Nurseries, 1940)

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 : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1930)

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, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1936)

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 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 the rock-garden [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wyman's Framingham Nurseries, 1929)

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

Hardy plants, rock plants, lilies, bulbs : 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1933)

Hardy plants, rock plants, lilies, bulbs : Autumn, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1932)

Hardy plants, rock plants, lilies, bulbs : autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1934)

Hardy plants, rock plants, lilies, bulbs, seeds : wholesale catalog, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1935)

Hardy plants, rock plants, lilies, bulbs : spring, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1932)

Hardy plants, rock plants, lilies, bulbs : wholesale catalog, autumn 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1933)

Hardy plants, rock plants, lilies, bulbs : wholesale catalog, autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1934)

Hardy plants, rock plants, lilies, bulbs : wholesale, fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Hardy plants : root strength, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1935)

Hardy plants : root strength, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1936)