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

Harmful non-indigenous species in the U.S. : hearings before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, second session, March 11 and 15, 1994 - United States. Congress. Senate. Committee on Governmental Affairs. (U.S. G.P.O, 1994)

Harmsworth's Universal encyclopedia - Hammerton, John Alexander, Sir, 1871 -1949 (Educational Bk. Co, 1900)

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, 1917)

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' 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)

Harvard botanical memoirs - Harvard University. (Harvard University], 1908)

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, 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, 1933)

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' 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, 1953)

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

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)

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)

Hedge Lawn Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1931)

Hedge Lawn Nurseries, Incorporated, Roanoke, Virginia - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1934)

Hedge Lawn Nurseries, Roanoke, Virginia : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1926)

Hedge Lawn Nursery, Roanoke, Virginia [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nursery, 1928)

Hedge Lawn Nursery, Roanoke, Virginia [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nursery, 1927)

Hedge Lawn's garden guide [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hedge Lawn Nurseries, 1927)

Hedge plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fairfax Farms Nursery, 1925)

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

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

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

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

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

The hemlock, "America's most beautiful evergreen" : as presented by this country's largest hemlock grower, the Chas. G. Curtis Co., Callicoon, New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. G. Curtis Co, 1933)

Hemlocks (Tsuga canadensis) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1944)

Henry Schnitzspahn [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Schnitzspahn, 1924)

Herbaceous perennial and rock plants, choice landscape materials, climbing vines, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcroft Gardens, 1933)

Herbicides for conifer seedbeds - Ahrens, John Frederick, 1929 - (Connecticut Agricultural Experiment Station, 1976)

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

Heteroptera, or true bugs of eastern North America, with especial reference to the faunas of Indiana and Florida - Blatchley, W. S. (Willis Stanley), 1859 -1940 (The Nature publishing company, 1926)

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

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 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 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)

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

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

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

Hill's wholesale trade list : spring 1930 : 75th Anniversary edition, 1855-1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. Hill Nursery Co., Inc, 1930)

Hillenmeyer Nurseries. Catalogue no. 93, autumn 1934 spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillenmeyer Nurseries, 1934)

Hillenmeyer Nurseries ... 1841 - 1929-30 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1929)

Hillsdale Gardens invite you. Price list 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1954)

Hillsdale Gardens invite you. Price list 11 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1956)

HIllsdale Landscape Company. Catalogue no. 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillsdale Landscape Company, 1935)

Histologische Beiträge - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1888)

Histologische Beiträge - Strasburger, Eduard, 1844 -1912 (G. Fischer, 1891)

Histology of medicinal plants - Mansfield, William (J. Wiley & sons, inc.; [etc., etc.], 1916)

Histology of medicinal plants - Mansfield, William (Wiley, 1916)

History of the expedition under the command of Lewis and Clark, to the sources of the Missouri River, thence across the Rocky Mountains and down the Columbia River to the Pacific Ocean performed during the years 1804-5-6 by order of the government of the United States - Coues, Elliott, 1842 -1899 (F.P. Harper, 1893)

A history of the game birds, wild fowl and shore birds of Massachusetts and adjacent states, including those used for food which have disappeared since the settlement of the country, and those which are now hunted for food or sport, with observations on their former abundance and recent decrease in numbers; also the means for conserving those still in existence - Massachusetts. State Board of Agriculture. (Wright & Potter Printing Company, State Printers, 1916)

A history of the game birds, wild-fowl and shore birds of Massachusetts and adjacent states... with observations on their...recent decrease in numbers; also the means for conserving those still in existence - Massachusetts. State Board of Agriculture. (Wright & Potter printing company, state printers, 1912)

A history of the Pennsylvania Horticultural Society, 1827-1927 - Boyd, James, 1858 -1929 (Pennsylvania Horticultural Society, 1929)

Holland bulbs : fall 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1947)

Holmes' 1917 handbook of seeds & shrubbery direct to the farmer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1917)

Holmes' handbook of seeds and everything for the garden. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1918)

Holmes' handbook of seeds and everything for the garden. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Company, 1919)

Holmes' tested seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holmes Seed Co, 1920)

Home garden and landscape guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1931)

Home garden and landscape guide, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1932)

Home garden and landscape guide : 1933 discounts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Littlefield-Wyman Nurseries, 1933)

Home landscapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1918)

Home landscapes : 1920 descriptive catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1920)

Home landscapes, 1924 : summer planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1924)

Home landscapes, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1926)

Home landscapes : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1928)

Home landscapes, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1929)

Home landscapes, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1930)

Home landscapes, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1931)

Home landscapes, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1932)

Home landscapes. descriptive catalogue and price list. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1919)

Home landscapes : fall and winter 1921-1922 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1921)

Home landscapes including trees that save ten years : 1917 descriptive catalogue and price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1917)

Home landscapes : price-list for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, Inc, 1935)

Home landscapes : price list for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, Inc, 1936)

Home landscapes : spring & summer 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1927)

Home landscapes : spring and summer 1922 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1922)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1923)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1921)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1922)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1931)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1930)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1932)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1927)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1928)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1929)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1933)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1951)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1945)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1946)

Horsford's hardy plants and bulbs : a selection of the best truly hardy varieties perennials hardy lilies own root lilacs-evergreens shrubs - woodland ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1947)