Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1908)

Handbook of hardy herbaceous and alpine flowers - Sutherland, William. (Blackwood, 1871)

Handbook of hardy trees, shrubs, and herbaceous plants ... Based on the French work of Messrs. Decaisne and Naudin ...entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of hardy trees, shrubs, and herbaceous plants. Based on the French work of Messrs. Decaisne and Naudin entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson, 1881)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Macmillan & Co, 1895)

A handbook of systematic botany - Warming, Eugenius, 1841 -1924 (Swan, 1904)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles : for the use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeves, 1887)

Handbook of the British flora : a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (Reeve, 1858)

Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalised in, the British Isles - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1892)

Handbook of the British flora, a description of the flowering plants and ferns indigenous to or naturalised in the British Isles. For use of beginners and amateurs - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & co, 1900)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in the British Isles. For the use of beginners and amateurs - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1865)

Handbook of the British flora; a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles - Bentham, George, 1800 -1884 (L. Reeve, 1858)

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 British flora: a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles. For the use of beginners and amateurs. By George Bentham - Hooker, Joseph Dalton, 1817 -1911 (L. Reeve & Co, 1920)

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, 1908)

A handbook of the flora of extratropical South Australia, containing the flowering plants and ferns - Tate, Ralph, 1840 -1901 (Education department, 1890)

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 New Zealand flora : a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, and Macquarrie's islands - Hooker, Joseph Dalton, 1817 -1911 (Reeve & Co, 1867)

Handbook of trees, shrubs, roses, plants for garden and greenhouse : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson Inc, 1916)

Handbook of trees, shrubs, vines, ornamental plants and fruits : for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1910)

Handbook of trees, shrubs, vines, ornamental plants and fruits : for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1909)

Handbook of trees, shrubs vines, ornamental plants and fruits for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1913)

Handbook of trees, shrubs vines, ornamental plants and fruits for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1915)

A handbook of tropical gardening and planting, with special reference to Ceylon - Macmillan, Hugh Fraser. (1914)

A handbook to plants in Victoria - Willis, J. H. (James Hamlyn), 1910 -1995 (Melbourne University Press, 1972)

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 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 medicinisch-pharmaceutischen Botanik - Polet, C. B. (Verlag von C.B. Polet, 1850)

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

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

Handbuch der pharmaceutischen botanik - Juch, Karl Wilhelm, 1774 -1821 (Stein'sche buchhandlung, 1804)

Handbuch der pharmaceutischen Botanik. : Mit illuminirten Kupfern - Volckart, Johann Friedrich, 1750 -1812 (Im Verlag der Stein'schen buchhandlung, 1804)

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 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)

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, 1890)

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

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

Handy book of horticulture; an introduction to the theory and practice of gardening - Hayes, Francis Carlile. (Murray, 1901)

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)

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, 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, 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, 1889)

Hardy cacti, Colorado shrubs and plants : illustrated catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1901)

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. : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1925)

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 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. : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1927)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1890)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1898)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1908)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1910)

Hardy ferns and flowers, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1899)

Hardy ferns and flowers, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1898)

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

Hardy ferns, wild and rock garden plants, evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1937)

Hardy ferns, wild and rock garden plants, evergreens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1934)

Hardy ferns, wild and rock garden plants, evergreens, 1936 wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1936)

Hardy ferns, wild and rock garden plants, evergreens, 1937 wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1937)

Hardy ferns, wild and rock garden plants, evergreens, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1938)

Hardy ferns, wild and rock garden plants, evergreens, hardy plants for better homes and gardens : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1930)

Hardy ferns, wild and rock garden plants, evergreens, hardy plants for better homes and gardens : 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1931)

Hardy ferns, wild and rock garden plants, evergreens : wholesale trade list 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1929)

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

Hardy field grown plants : fall 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1942)

Hardy field grown plants : fall 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1943)

Hardy field grown plants : fall and spring trade list, 1933-34 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John F. Hauser, 1933)

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 : fall and spring trade list, 1936-1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1936)

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 : wholesale price list for the florist and nurseryman, spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Hauser, 1927)

The hardy flower book - Harvey, Frederick W., (Offices of Country life, ltd. [etc.], 1914)

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 : 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 garden favorites [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Laar & Company, 1927)

Hardy garden favorites [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Laar & Company, 1926)

Hardy garden flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knickerbocker Nurseries, 1916)

Hardy herbaceous & Alpine plants : autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

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

Hardy herbaceous & Alpine plants : Spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Hardy herbaceous & Alpine plants : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

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

Hardy herbaceous & Alpine plants : wholesale catalog, Autumn 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

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, autumn 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)

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

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

Hardy herbaceous & Alpine plants : wholesale catalog, Spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1928)