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

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

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, 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)

Hard times price list for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Botanical Nursery Co, 1921)

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, 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, 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, 1887)

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 : spring 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Superior View Farm, 1940)

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

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

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

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 and Alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Blue Ridge Gardens, 1927)

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 : Spring 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1926)

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

Hardy herbaceous perennials : wholesale list fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1915)

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. (Bobbink & Atkins, 1930)

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

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

Hardy herbaceous plants for border and rock garden Price list No. 2, spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Four O'Clock Garden Nursery, 1928)

Hardy herbaceous plants for rock garden and border : price list No. 4, season, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Four O'Clock Garden Nursery, 1930)

Hardy herbaceous plants : wholesale catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Bulb Co, 1934)

Hardy northern seeds for the home, field and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lou S. Darling Seed Co, 1917)

Hardy northern seeds for the home, field and garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lou S. Darling Seed Co, 1916)

Hardy perennial plants : 1925 fall catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (V. E. Brubaker, 1925)

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

Hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James King Nursery, 1916)

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 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hammonton Hardy Plant Nursery, 1931)

Hardy phlox, a specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (August Lindemann, 1949)

Hardy phlox, a specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (August Lindemann, 1943)

Hardy phlox, a specialty - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (August Lindemann, 1948)

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

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, 1925)

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, 1924)

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, 1921)

Hardy plants for the home garden, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1937)

Hardy plants for the home garden, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1938)

Hardy plants for the home garden, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1939)

Hardy plants for the home garden, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1940)

Hardy plants for the home garden : my choicest selections of perennials and other garden plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1923)

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

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

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 catalog, autumn 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1933)

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)

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)

Hardy trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Hardy trees and plants : a practical guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nurseries, 1914)

Harnden's garden book : 1886-1930, 44th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harnden Seed Co, 1930)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Harris' rural annual 1903 : seeds from the grower to the sower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Company, 1903)

Harrisons Leicester garden seeds, sundries 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrison & Sons], 1919)

Harrold's pansy annual, 1937 season, June 1, 1937 to June 1, 1938 : offering Harrold's pedigreed strain giant pansies and other seed and bulb specialties : wholesale prices for the professional florist and nurseryman - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1937)

Harrold's pansy annual : professional trade wholesale, season of 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1940)

Harrold's pansy annual, season of 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1938)

Harrold's pedigreed pansy plants : summer preview, May 20, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens, 1940)

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

Harrold's review : December 1941-January 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens & Greenhouses, 1941)

Harrold's review : March 10, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens & Greenhouses, 1942)

Harrold's review : Vol. 2, No. 1, January 2, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens & Greenhouses, 1943)

Harrold's spring annual : professional trade, season 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1939)

Harrold's spring annual : professional trade, spring of 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1941)

Harrold's spring annual : professional trade wholesale, spring of 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1940)

Harrold seed and plant specialties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harrold's Pansy Gardens and Greenhouses, 1939)

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

Haskell Implement and Seed Co. 1910 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. B. Haskell & Co, 1910)

Hauptkatalog, Nr. 92, 1907 : Wasserpflanzen, Baumschul und Stauden Katalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Heinrich Henkel, 1907)

Hauptpreisverzeichnis, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1928)

Hauptpreisverzeichnis, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1929)

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)

Hedwigia (Verlag und Druck von C. Heinrich, 1874)

Hedwigia (Verlag und Druck von C. Heinrich, 1875)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1898)

Hedwigia (Verlag und Druck von C. Heinrich, 1899)

Hedwigia (Verlag und Druck von C. Heinrich, 1905)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1894)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1896)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1893)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1926)

Hemipterologische Studien - Mayr, Gustav L. 1830 -1908 ([s.n.], 1864)

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 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 : special low prices for those placing orders before July 15th, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1934)

Henderson's bulb bargains : special low prices for those placing orders before July 15th, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1931)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1910)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & company, 1910)

Henderson's Handbook of plants - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1881)

Henrici Godefridi, Comitis de Mattuschka ... Enumeratio stirpium in Silesia sponte crescentium - Mattuschka, Heinrich Gottfried, Graf von, 1734 -1779 (Sumptibus G. T. Kornii, 1779)

Herbaceous perennials, rock and Alpine plants, peonies, iris, roses, forcing stock, bulbs, nursery stock and novelties : tradelist for the season 1931-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weller Nurseries Company, Inc, 1931)

The herball, or Generall historie of plantes - Gerard, John, 1545 -1612 (Printed by Adam Islip, Joice Norton and Richard Whitakers, 1633)

The herball, or, Generall historie of plantes - Dodoens, Rembert, 1517 -1585 (Printed by Adam Islip Joice Norton and Richard Whitakers, 1633)

The Herball, or, Generall historie of plantes - Dodoens, Rembert, 1517 -1585 (By Iohn Norton, 1597)

Herbář aneb Bylinář Wysocevčeného a wznesseného P. Doktora Petra Ondřege Mathiola - Dioscorides Pedanius, of Anazarbos. (Wytlačeno w Starém mešté Pražském v M. Danyele Adama z Weleslawjna nákladem geho a Wáclawa Trewtlara z Krosswic. Lěta Páně, 1596)

Das Herbarienbuch : Erklärung des natürlichen Pflanzensystems, systematische Aufzählung, Synonymik und Register der bis jetzt bekannten Pflanzengattungen ... = Repertorium herbarii, sive, Nomenclator generum plantarum systematicus synonymicus et alphabeticus ad usum practicum accommodatus ... - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (In der Arnoldischen Buchh, 1841)

Herbarium Pedemontanum; juxta methodum naturalem dispositum, additis nonnullis stirpibus exoticis ad universos ejusdem methodi ordines exhibendos - Colla, Luigi, 1766 -1848 (Ex Typis Regis, 1833)

Herbier de l'Amateur de Fleurs (1830)

Herbier de la flore française - Cusin, Louis Antoine, 1824 -1901 ([Nigon], 1873)

Herbier General de l'Amateur (1819)

Herborisations à Salève - Fauconnet, Charles, 1811 -1876 (Impr. Carey frères, 1867)

Les herborisations parisiennes; recherche, étude pratique et détermination facile des plantes qui croissent dans les environs de Paris - Baillon, H. (Henri), 1827 -1895 (O. Doin, 1890)

Der Hercynische Florenbezirk : Grundzüge der Pflanzenverbreitung im mitteldeutschen Berg- und Hügellande vom Harz bis zur Rhön, bis zur Lausitz und dem Böhmer Walde - Drude, Oscar, 1852 -1933 (W. Engelmann, 1902)

Hermann Glieme Inc., importer of German flower seed : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hermann Glieme Inc., [1926], 1926)