Handbuch der zoologie - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1875)

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)

Handbuch zur Erkennung der nutzbarsten und am häufigsten vorkommenden Gewächse - Link, Heinrich Friedrich, 1767 -1851 (Spenerschen Buchhandlung, 1833)

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)

Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

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

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, 1866)

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, 1871)

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, 1872)

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, 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, 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, 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, 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, 1865)

Hardy Fern Foundation newsletter - Hardy Fern Foundation. (The Foundation, 1992)

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

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

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 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

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 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)

Hardy herbaceous and Alpine plants : Autumn 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1925)

Hardy herbaceous and Alpine plants : Autumn 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1925)

Hardy herbaceous and Alpine plants : wholesale catalog, Autumn 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

Hardy native and imported alpines and perennials : retail catalog 1934-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1934)

Hardy native and imported alpines and perennials : retail catalog 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1936)

Hardy native and imported alpines and perennials : retail catalog 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1932)

Hardy native and imported alpines and perennials : retail catalog 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1933)

Hardy native and imported alpines and perennials : retail catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1930)

Hardy native and imported alpines and perennials : retail catalog 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1934)

Hardy native and imported alpines and perennials : retail catalog 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1939)

Hardy native and imported alpines and perennials : retail catalog 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1938)

Hardy native and imported alpines and perennials : retail catalog 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1940)

Hardy native and imported alpines and perennials : retail catalog 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1937)

Hardy native and imported alpines and perennials : retail catalog 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Borsch & Son, Inc, 1941)

Hardy perennial plants from all over the world : Dutch bulbs, and natives of California, ferns, lilies, rock plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1918)

Hardy perennials - Macself, A. J. (Albert James), 1878 -1952 (Charles Scribner's Sons, 1922)

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

Hardy plants, bulbs, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Herbert Alexander, 1930)

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

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 : 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, roses, shrubs, bulbs : wholesale catalog, fall 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1956)

Harnden's bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Company, 1925)

Harriman Alaska series. vol. I-V, VIII-XIV - Smithsonian Institution (Smithsonian Institution, 1904)

Harris hardy perennial seeds, plants and bulbs : summer and fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co., Inc, 1931)

Harrold's gardener : bulb specialties for fall planting : Aug. 10, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens & Greenhouses, 1949)

Harrold's pedigreed strain pansies, primroses, tuberous begonias, Holland bulbs, violas : 1952, our 50th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1952)

Hart & Vick's 1947 fall bulb book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1947)

Hart & Vick's 1949 fall bulb book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1949)

Hart & Vick's 1955 fall planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1955)

Hart & Vick's fall bulb book for autumn 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1946)

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

Hastings' nursery annual : winter 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1930)

Hastings' nursery annual : winter 1933-1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1933)

Hastings Seed Company Records - H.G. Hastings; Company (Ga.) (1931)

Hastings Seed Company Records - H.G. Hastings; Company (Ga.) (1945)

Hastings' seeds bulbs plants supplies : fall 1935 1936 winter - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1935)

Hastings' seeds : fall 1936 92nd catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1936)

Hastings' Seeds : fall 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1946)

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1913)

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1914)

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1915)

Hayward's Botanist's pocket-book; containing the chief characteristics of British plants; with botanical name, common name, soil or situation, colour, growth, and time of flowering of every plant, arranged under its own order - Druce, George Claridge, 1850 -1932 (G. Bell, 1930)

he bei mu lan wei chang zhi wu zhi 河北木兰围场植物志 - Zhao, Jiancheng & Kong Zhaopu 赵建成, 孔照普 (ke xue chu ban she科学出版社, 2008)

Hedwigia (Verlag und Druck von C. Heinrich, 1880)

Hedwigia (Verlag und Druck von C. Heinrich, 1889)

Hedwigia (Verlag und Druck von C. Heinrich, 1909)

Hedwigia (Verlag und Druck von C. Heinrich, 1919)

Hedwigia (Verlag und Druck von C. Heinrich, 1921)

hei long jiang zhong yao - hei long jiang sheng zu guo yi yao yan jiu suo (hei long jiang ren min chu ban she, 1959)

Heinrich Hessens, churft. manntzischen Garten-Vorstehers, neue Garten-Lust : das ist: Gründliche Vorstellung wie ein Lust- Küchen- und Baum-Garten unter unserm teutschen Climate füglich anzurichten ... - Hesse, Heinrich, active 1690 -1720 (Joh. Ludwig Gleditsch, 1706)

Henderson's autumn 1935 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1935)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1906)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1911)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1925)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1933)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1914)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1934)

Henderson's autumn catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1926)

Henderson's autumn catalogue : 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1905)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1907)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1908)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1909)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1913)

Henderson's autumn catalogue : 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1916)

Henderson's autumn catalogue : 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1910)

Henderson's autumn catalogue : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1912)

Henderson's autumn catalogue : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1923)

Henderson's autumn catalogue : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1924)

Henderson's autumn catalogue : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1927)

Henderson's autumn catalogue : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1928)

Henderson's autumn catalogue, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1929)

Henderson's autumn catalogue : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1932)

Henderson's best quality bulbs offered at prices lower than ever before - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1931)

Henderson's best quality flower bulbs : special prices for those placing orders before July 15th for delivery next fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1930)

Henderson's bulb-bargains : for those who place their orders this spring for shipment during summer and fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1906)

Henderson's bulb-bargains : for those who place their orders before July 15th for import during summer and fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1933)

Henderson's bulb-bargains : for those who place their orders this spring for shipment during summer and fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1907)

Henderson's bulb-bargains : for those who place their orders this spring for shipment during summer and fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1908)

Henderson's bulb-bargains : for those who place their orders this spring for shipment during summer and fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1909)