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 ferns of Canada being a plain and practical guide to amateurs in the study and cultivation of the native species - Paxton, John (s.n.], 1868)

Handbook of the flora of Philadelphia and vicinity, containing data relating to the plants within the following radius: eastern Pennsylvania; all of New Jersey except the northern counties; and New Castle County, Delaware, with keys for identification of species - Brown, Stewardson, 1867 -1921 (Philadelphia Botanical Club, 1905)

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)

Handbook of the wild and cultivated flowering plants, by Chester Arthur Darling... - Darling, Chester Arthur. (The Mason-Henry press, 1912)

Handbook to Bath; prepared on the occasion of the visit of the British Association, 1888 - British Association for the Advancement of Science. (I. Pitman and Sons, 1888)

Handbook to the ferns of British India, Ceylon and the Malay Peninsula - Beddome, R. H. (Richard Henry), 1830 -1911 (Thacker, Spink and Co, 1883)

Handbook to the ferns of British India, Ceylon and the Malay peninsula; with supplement - Beddome, R. H. (Richard Henry), 1830 -1911 (Thacker, Spink, 1892)

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 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 ökonomischen Insectengeschichte in Form eines Kalenders bearbeitet : zweiten Theiles, Erste Abtheilung - Brahm, N.J. (in der kurfúrstl. privileg. Universitätsbuchhandlung, 1791)

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1881)

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, 1833)

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

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

A handy guide to the known ferns of the Himalayas of Northern India - Cattell, William, -1919 (1877)

Hannoverisches Magazin, worin kleine Abhandlungen, einzelne Gedanken, Nachrichten, Vorschläge und Erfahrungen, so die Verbesserung des Nahrungs-Standes, die Land- und Stadt-Wirthschaft, Handlung, Manufacturen und Künste, die Physik, die Sittenlehre und angenehmen Wissenschaften betreffen, gesamlet und aufbewahret sind (s.n.], 1764)

Hardie's garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David Hardie Seed Company, 1934)

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, 1865)

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, 1874)

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, 1880)

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)

Hardy ferns, wild and perennial flowers, evergreens, rock garden plants : 1907-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1933)

Hardy field grown plants : fall 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1941)

Hardy field grown plants : fall and spring trade list, 1934-35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1934)

Hardy field grown plants : trade list : fall 1929 - spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Hauser, 1929)

Hardy field grown plants : trade list : fall 1930 - spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John F. Hauser, 1930)

Hardy field grown plants : trade list, fall 1931 - spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John F. Hauser, 1931)

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 and alpine plants : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch and Son's Hardy Perennial Gardens, 1926)

Hardy herbaceous and alpine plants : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch and Son's Hardy Perennial Gardens, 1928)

Hardy Northern grown fruit and ornamental trees, small fruits, shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.N. Moyer, Laketon Nurseries, 1932)

Hardy Northern grown fruit and ornamental trees, small fruits, ornamental shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (G.N. Moyer, Laketon Nurseries, 1934)

Hardy perennial plants for rock garden and border : price list no. 1, fall 1930 -spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Slemmons Gardens, 1930)

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 the home garden : season 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1930)

Hardy plants for the home garden : season 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1931)

Hardy plants for the home garden : season 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1932)

Hardy plants, rock plants and annuals : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fisher Flower Farm, 1933)

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

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

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

Harmon's seeds : agricultural tools, implements, woodenware, dairy and poultry supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.T. Harmon & Co, 1901)

Harnden's garden book for 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1928)

Harris seeds 1926 [catalog] - Harris, Joseph. (Joseph Harris Company, 1926)

Harris seeds 1927 [catalog] - Harris, Joseph. (Joseph Harris Company, 1927)

Harris seeds 1928 [catalog] - Harris, Joseph. (Joseph Harris Company, 1928)

Harris seeds 1930 [catalog] - Harris, Joseph. (Joseph Harris Company, Inc, 1930)

Harris seeds 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1931)

Harris seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1932)

Harris seeds, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, 1933)

Harris' seeds, 1933 : wholesale price list for market gardeners and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1933)

Harris seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, 1934)

Harris seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1935)

Harris seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1936)

Harris seeds, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1937)

Harris seeds, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1938)

Harris seeds, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1939)

Harris seeds, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1940)

Harris seeds, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1941)

Harris seeds, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1942)

Harris seeds, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1943)

Harris seeds : 1945 wholesale price list for market gardeners & florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1945)

Harris seeds, 1946 : market gardeners & florists wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1946)

Harris seeds, 1947 : market gardeners & florists wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1947)

Harris seeds 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1948)

Harris seeds, 1948 : market gardeners & florists, wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1948)

Harris seeds, 1949 : market gardeners & florists, wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1949)

Harris seeds, 1952 : market gardeners and florists, wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1952)

Harris seeds, 1953 : market gardeners and florists, wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1953)

Harris seeds, 1955 : market gardeners and florists, wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1955)

Harris seeds, 1956 : market gardeners and florists, wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1956)

Harris' seeds for market gardeners and florists : 1930 wholesale price list - Harris, Joseph. (Joseph Harris Co., Inc, 1930)

Harris' seeds for market gardeners and florists : 1931 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1930)

Harris seeds for market gardeners and florists : wholesale price list, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1932)

Harris seeds : market gardeners & florists, 1950 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1950)

Harris seeds : market gardeners and florists, 1951 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1951)

Harris seeds : price list for 1942 for market gardeners and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1942)

Harris seeds : price list for 1943 for market gardeners and florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1943)

Harris seeds wholesale price list 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1957)

Harris' seeds : wholesale price list for market gardeners, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1941)

Harris' seeds : wholesale price list for market gardeners and commercial growers, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1934)

Harris seeds : wholesale price list for market gardeners and florists, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1937)

Harris seeds : wholesale price list for market gardeners and florists, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1940)

Harris seeds : wholesale price list for market gardeners and florists, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1936)

Harris seeds : wholesale price list for market gardeners and florists, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, Inc, 1935)

Harris' seeds, wholesale price list : market gardeners and florists, 1959 - Harris, Joseph. (Joseph Harris Company, Inc, 1959)

Harris seeds, wholesale price list : market gardeners and florists : 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1954)

Harrold's review. Vol. 9, No. 1, January 1, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens & Greenhouses, 1950)

Harrold's review. Vol. 7, No. 5, January 2, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens & Greenhouses, 1949)

Hart & Vick's grower's catalog : everything for spring planting 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, Inc, 1956)

Hart & Vick's grower's catalog, spring planting 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, Inc, 1955)

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

Hart and Vick's seeds : a wholesale catalog for commercial growers of vegetables and flowers : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1925)

Hart and Vick's seeds for florists and vegetable growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1946)

Hart and Vick's special price list for market growers, florists and farmers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1924)

Hart's quality seeds for 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Hart Seed Co, 1956)

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

Harvey's seed annual, 1858-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harvey Seed Company, Inc, 1935)

Harvey's seed annual, 1858-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harvey Seed Company, Inc, 1936)