Haandbog i den danske flora - Lange, Joh., 1818 -1898 (C.A. Reitzels forlag, 1856)

Haandbog i den danske flora - Lange, Joh., 1818 -1898 (C.A. Reitzels forlag, 1864)

Haliburton flora : an annotated list of the vascular plants of the County of Haliburton, Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1991)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1854)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1863)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1864)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1867)

Hamilton's 1936 home and garden catalogue / Hamilton Seed and Coal Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hamilton Seed & Coal Co, 1936)

Hamilton's 1937 home and garden catalog / Hamilton Seed & Coal Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hamilton Seed & Coal Co, 1937)

Hand-book of trees and hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan and Sons, 1915)

Hand-book of trees and hardy plants : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan and Sons, 1916)

Hand-list of herbaceous plants cultivated in the Royal Botanic Gardens (Printed for H. M. Stationery Off. by Darling, 1902)

A handbook for farmers and dairymen - Woll, F. W. (Fritz Wilhelm), 1865 -1922 (J. Wiley & sons; [etc., etc.], 1897)

Handbook of experiment station work - United States. Office of Experiment Stations. (Gov't print. off, 1893)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

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

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 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 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 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 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 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. 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)

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 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)

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 Pflanzen-Pathologie und Pflanzen-Teratologie - Nees von Esenbeck, C. G. (Christian Gottfried), 1776 -1858 (1841)

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

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

Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 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, 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, 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, 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, 1881)

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, 1883)

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, 1884)

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, 1890)

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, 1892)

Hardy ferns, wild and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1958)

Hardy ferns, wild and rock garden plants, evergreens : 1945 retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1945)

Hardy ferns, wild and rock garden plants, evergreens : 1955 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1955)

Hardy ferns, wild flowers, rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1941)

Hardy ferns, wild flowers, rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1943)

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 perennials and rock plants : ornamental shrubs & trees, water lilies : 1930 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Haven Gardens, 1930)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : 1931 prices slashed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1932)

Hardy herbaceous perennials collected by Mid-West Perennial Collectors : [1934] prices slashed : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mid-West Perennial Collectors, 1934)

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, 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, 1930)

Hardy herbaceous plants and ornamental grasses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink and Atkins, 1903)

Hardy perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1907)

Hardy perennial plants shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1909)

Hardy perennial plants shrubs vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1908)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1940 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1940)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1942 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1942)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1938 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1938)

Hardy perennials and ferns collected by Mackinaw Perennial Company : 1937 wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1937)

Hardy perennials and old-fashioned garden flowers. Describing the most desirable plants for borders, rockcries, and shrubberies, and including both foliage and flowering plants - Wood, John, of Woodville, Eng. (L.U. Gill, 1884)

Hardy perennials and rock garden plants for fall planting : wholesale price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee, 1938)

Hardy perennials and rock garden plants : wholesale price list, fall, 1939-spring, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Lee, 1939)

Hardy perennials and rock plants, wholesale : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1928)

Hardy perennials and rock plants, wholesale : fall 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1929)

Hardy perennials and rock plants, wholesale : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1930)

Hardy perennials and rock plants, wholesale : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1929)

Hardy perennials and rock plants, wholesale : spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1930)

Hardy perennials and rock plants, wholesale : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1931)

Hardy perennials, ferns, and seeds collected by Mackinaw Perennial Company : wholesale price list, for dealers only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mackinaw Perennial Company, 1933)

Hardy perennials wholesale : fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1927)

Hardy perennials wholesale : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1923)

Hardy perennials wholesale : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1924)

Hardy perennials wholesale : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1928)

Hardy plant material for 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1929)

Hardy plant material for 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1930)

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 material for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1935)

Hardy plant material for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1936)

Hardy plant material for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1937)

Hardy plant material for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1938)

Hardy plant material for 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1939)

Hardy plant material for 1940 / Snyder Bros., Inc. ; [the Linn County Nurseries] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros., Inc, 1940)

Hardy plant material for 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1941)

Hardy plant material for 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1942)

Hardy plant material for spring of 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1943)

Hardy plant material for spring of 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1944)

Hardy plant material, spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1945)

Hardy plant material, spring 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1946)

Hardy plant material, spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1947)

Hardy plant material spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1948)

Hardy plant material spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1949)

Hardy plant material : spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1950)

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 cottage gardens - Albee, Helen Rickey, 1864 -1939 (H. Holt and company, 1910)

Hardy plants for the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1925)

Hardy plants for the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1926)

Hardy plants for the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1928)

Hardy plants for the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1927)

Hardy plants for the home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1924)

Hardy plants for the home garden : season 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1929)

Hardy rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hav'alook Gardens, 1935)

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