[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1898)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1908)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1860)

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

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

Hamburger Garten- und Blumenzeitung (R. Kittler, 1868)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1870)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1873)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1874)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1876)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1877)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1878)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1888)

Hand-book of trees and hardy plants 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1917)

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-book of trees and hardy plants : spring 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1910)

Hand-list of Coniferae : grown in the Royal botanic gardens - Royal Botanic Gardens, Kew. (Printed for H. M. Stationery off. by Darling & son, Ltd, 1903)

Hand-list of trees and shrubs, excluding Coniferae, grown in Arboretum - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1902)

Handbook for garden and orchard : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beatrice Nursery, 1949)

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 plant tolerances to methyl bromide - United States. Animal; Plant Health Inspection Service. Plant Protection; Quarantine Programs. (Dept. of Agriculture, Animal and Plant Health Insp. Serv., Plant Protection and Quar. Programs, 1977)

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

Handbook of reptiles and amphibians of Florida - Ashton, Patricia Sawyer. (Windward Pub, 1900)

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

Handbook of the trees of New England, with ranges throughout the United States and Canada - Brooks, Henry, 1857 - (Ginn, 1901)

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, 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, 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)

Handbuch der allgemeinen Botanik - Müller, Nicolaus Jacob Carl, 1843? -1901 (C. Winter's UniversitMatsbuchhandlung, 1880)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Naturbeschreibung zum Schul- und Privatunterrichte - Tetzner, Wilhelm. (Im Verlage der Hahnschen Hofbuchhandlung, 1826)

Handbuch der Naturgeschichte aller drei Reiche, fur Lehrer and Lernende, fur Schule und Haus - Bromme, Traugott, 1802 -1866 (1850)

Handbuch der Petrefaktenkunde - Quenstedt, Fr. Aug. von (Friedrich August), 1809 -1889 (H. Laupp, 1885)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1909)

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

Handbuch der Pflanzenkrankheiten - Lindau, Gustav, 1866 -1923 (P. Parey, 1908)

Handbuch der Pharmakognosie - Remy, E. (C. H. Tauchnitz, 1909)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Handbuch für Naturaliensammler : Eine Praxis der Naturgeschichte ; Mit 12 Farbtafeln, 31 Tafeln nach Zeichnungen, und Photographien, sowie 465 Textabbildungen nach Zeichnungen, Photographien und Mikrophotographien des Verfassers - Bade, E. (Fritz Pfenningstorff, 1913)

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

Hanley's Nursery : fall and spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hanley's Nursery, 1959)

Hardwood record (Hardwood Co, 1908)

Hardwood record (Hardwood Co, 1912)

Hardwood record (Hardwood Co, 1915)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2012)

Hardy fruits and ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.L. Watrous, Capital City Nurseries, 1919)

Hardy ornamental flowering trees and shrubs - Webster, A. D. (Angus Duncan), 1855 -1931 (Smith, Elder, 1908)

Hardy ornamental plants for the south : trees, deciduous shrubs, broad-leaved evergreens, coniferous evergreens, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1925)

Hardy perennials, trees, evergreens, shrubs, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1936)

Hardy plant and service book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outdoor Arts Company, Incorporated, 1928)

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

Hardy plant materials : 1935-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1935)

Hardy plant materials [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1929)

Hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fairfax Farms Nursery, 1926)

Hardy plants and ornamentals, fruits, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Esham's Nurseries, 1933)

Hardy plants and trees for garden and orchard : reference guide and catalog, what and where to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Lehde Nurseries, 1937)

Hardy plants for Canadian homes, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McConnell Nursery Co, 1945)

Hardy plants of rare quality : Fall 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1903)

Hardy plants worth having : Spring 1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1905)

Hardy trees and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1914)

Hardy trees and plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1915)

Hardy trees, shrubs and evergreens, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1928)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1913)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1919)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1921)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1926)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United Litho. & Ptg. Cos, 1924)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1922)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1929)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1923)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1921)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1922)

Hardy trees, shrubs, perennials, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1923)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daybreak Nurseries, 1936)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Louis A. Byrne Nurseries, Inc, 1936)

Hardy trees, shrubs, plants and bulbs : fall 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1949)

Hardy trees, shrubs, plants and bulbs : fall-spring 1946-1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1946)

Hardy trees, shrubs, plants and bulbs : fall-spring 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1947)

Hardy trees, shrubs, plants and bulbs : spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1949)

Hardy trees shrubs, vines, evergreens, hardy perennials and fruits : Spring 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1903)

[Harlan P. Kelsey (Firm) materials] - Harlan P. Kelsey (Firm) (1885)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1928)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1915)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1918)

Harrisons' Nurseries [catalog and price list] - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1929)

Harrisons' Nurseries : fruit and ornamental nursery stock - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1916)

Harrisons' nurseries : nurserymen and orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1919)

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

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1945)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1944)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1939)

Hastings' nursery annual : winter 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1929)

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

Hastings' nursery annual : winter 1932-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1932)

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

Hastings' nursery annual : winter 1943-44 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1947)

Hastings' nursery annual : winter 1943-44 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1948)

Hastings' nursery annual : winter 1949-50 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1949)

Hastings' seeds bulbs nursery stock : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1951)

Hastings' seeds bulbs nursery stock : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1952)

Hastings' seeds bulbs nursery stock : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1953)

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 plants bulbs roses, shrubs, berries, fruit trees, garden supplies : spring 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1958)

Hastings' seeds plants bulbs : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1954)

Hastings' seeds plants bulbs : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1955)

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

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1921)

Der Hausvater - Münchhausen, Otto, Freiherr von, 1716 -1774 (Försters und Sohns Erben, 1770)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1922)

Hazard-rating systems in forest insect pest management : symposium proceedings, Athens, Georgia, July 31-August 1, 1980 - United States. Forest Service. (U.S. Dept of Agriculture, Forest Service, [1981], 1981)

Heathers : yearbook of the Heather Society - Heather Society (The Society, 2006)

Hedwigia (Verlag und Druck von C. Heinrich, 1885)

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

De heide als handelsgewas en sierplant - Uikens, Th. F. (K. van Hulst, 1858)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1902)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1904)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1891)

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

Helpful hints on plant selection : issued for the use of its customers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern California Acclimatizing Association, 1914)

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