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

Hardy plant materials : fall 1934 prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1934)

Hardy plants and their culture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daniels Nursery, 1932)

Hardy plants and their culture [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franc P. Daniels, 1931)

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 Alpine and rocky gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1926)

Hardy plants for New England gardens : perennials, rock plants, flowering shrubs, evergreens, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gray & Cole, 1936)

Hardy plants for the home garden : season 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1931)

Hardy plants : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1949)

Hardy plants : price list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1946)

Hardy plants : price list, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1946)

Hardy plants : price list, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1947)

Hardy plants : price list, fall '48-spring '49 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1948)

Hardy plants : spring, 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward J. Canning Company, 1924)

Hardy plants : spring, [1925] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward J. Canning Co, 1924)

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

Hardy trees and plants of quality - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1926)

Hardy trees and shrubs, greenhouse plants, orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1915)

Hardy trees and shrubs, greenhouse plants, orchids [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1914)

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

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

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

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

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, roses, plants and their uses : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries Co, 1914)

Harrisons' annual nursery book : largest growers of fruit trees in the world - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1934)

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.) (J. G. Harrison & Sons, 1910)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1917)

Harrisons' Nurseries - Harrison's Nurseries (Berlin, Md.) (J.G. Harrison & Sons, 1909)

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, inc. : nurserymen - orchardists - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1931)

Harrisons' nursery book 1932 : true to name quality nursery products - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1932)

Harrisons' nursery book for fall & winter 1932 : quality stock and true to name - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1932)

Harrisons' planters guide : spring 1935 - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1935)

Harrisons' planting guide 1933 : plant fruit for profit - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1933)

Harrisons' planting guide 1936 : superior fruits and ornamentals - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1936)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1927)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1928)

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, 1942)

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1940)

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

Hastings' nursery annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1946)

Hastings' nursery annual : winter 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.G. Hastings Co, 1928)

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, 1940)

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

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)

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

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

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1916)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1917)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1884)

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

Hedwigia (Verlag und Druck von C. Heinrich, 1890)

Hedwigia (Verlag und Druck von C. Heinrich, 1887)

Hedwigia (Verlag und Druck von C. Heinrich, 1892)

Hedwigia (Verlag und Druck von C. Heinrich, 1893)

Hedwigia (Verlag und Druck von C. Heinrich, 1894)

Hedwigia (Verlag und Druck von C. Heinrich, 1896)

Hedwigia (Verlag und Druck von C. Heinrich, 1897)

Hedwigia (Verlag und Druck von C. Heinrich, 1901)

Hedwigia (Verlag und Druck von C. Heinrich, 1903)

Hedwigia (Verlag und Druck von C. Heinrich, 1904)

Hedwigia (Verlag und Druck von C. Heinrich, 1911)

Hedwigia (Verlag und Druck von C. Heinrich, 1912)

Hedwigia (Verlag und Druck von C. Heinrich, 1913)

Hedwigia (Verlag und Druck von C. Heinrich, 1915)

Hedwigia (Verlag und Druck von C. Heinrich, 1916)

Hedwigia (Verlag und Druck von C. Heinrich, 1918)

Hedwigia (Verlag und Druck von C. Heinrich, 1920)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1891)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1906)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1890)

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1906)

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

Helios - Huth, Ernst, 1845 -1897 (R. Friedländer & Sohn, 1916)

Helps to a beautiful home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Co, 1907)

Herbarium Musei Fennici : enumeratio plantarum Musei Fennici - Helsingin yliopisto. Kasvimuseo. (Ex officina typographica H.J. Simelii, 1889)

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)

Hesdörffers Monatshefte für Blumen und Gartenfreunde - Hesdörffer, Max, 1863 -1920 (R. Oppenheim (G. Schmidt), 1896)

Heteroplastic micrografting of slash pine - Burke, Lauretta Marie (USDA Forest Service, Southeastern Forest Experiment Station, 1954)

Les Hétéroptères Miridés de France tome 1 les secteurs biogéographiques - Ehanno, Bernard 1935 - (1983)

Les Hétéroptères Miridés de France : inventaire critique des espèces recensées des territoires étudiés, des milieux explorés, d'après les travaux des auteurs depuis 1820 et les données personnelles tome II-A Inventaire et synthèses écologiques - Ehanno, Bernard 1935 - (1987)

Les Hétéroptères Miridés de France : inventaire critique des espèces recensées des territoires étudiés, des milieux explorés, d'après les travaux des auteurs depuis 1820 et les données personnelles tome 1 bis Les secteurs biogéographiques (suite) - Ehanno, Bernard 1935 - (1987)

Hicks Nurseries price list, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Hicks & Son, 1912)

Hill's evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Company, 1949)

Hill's evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1928)

Hill's evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1942)

Hill's evergreens : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1924)

Hill's evergreens : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1926)

Hill's evergreens : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1927)

Hill's evergreens, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1931)

Hill's evergreens, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1932)

Hill's evergreens catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1943)

Hill's evergreens, fall 1934 : Hill's trade catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1934)

Hill's evergreens : home trees ever beautiful 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc.], 1924)

Hill's evergreens : January 1st wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1944)

Hill's evergreens : place your orders now for delivery spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1928)

Hill's evergreens : wholesale catalog, fall 1948 ... spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Company, 1948)

Hill's evergreens : wholesale catalog, fall 1949 ... spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Company, 1949)

Hill's evergreens : wholesale price list, spring, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Company, 1937)

Hill's trade catalog : Hill's evergreens, spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1936)

Hill's wholesale catalog : fall 1947 – spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1947)

Hill's wholesale catalog : Hill's evergreens, fall 1940 - spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1940)

Hill's wholesale price list : fall 1927 : lining out stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1927)

Hill's wholesale price list : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co, 1928)