Hand-list of Coniferae grown in the Royal Gardens - Royal Botanic Gardens, Kew. (H. M. Stationery Off, 1896)

Handbook and price list : rare and interesting plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southern California Acclimatizing Association, 1911)

Handbook for rangers & woodsmen - Taylor, Jay L. B. (Jay Laird Burgess), 1884 - (John Wiley & sons, inc.; [etc., etc.], 1917)

Handbook for rangers and woodsmen - Taylor, Jay L. B. (Jay Laird Burgess), 1884 - (John Wiley & Sons, Inc, 1916)

A handbook of Coniferae, including Ginkgoaceæ - Jackson, Albert Bruce, 1876 -1947 (Longmans, Green, 1923)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1906)

A handbook of the trees of California - Eastwood, Alice, 1859 -1953 (California Academy of Sciences, 1905)

Handbook of West American cone-bearers - Lemmon, J. G. (John Gill), 1832 -1908 (1895)

Handbook of West-American cone-bearers - Lemmon, J. G. (John Gill), 1832 -1908 (1900)

Handbook of West-American cone-bearers - Lemmon, J. G. (John Gill), 1832 -1908 (1895)

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

Handbuch der Nadelholzkunde. Systematik, Beschreibung, Verwendung und Kultur der Freiland-Coniferen. Für Gärtner Forstleute und Botaniker - Beissner, Ludwig, 1843 -1927 (P. Parey, 1891)

Handbuch der Nadelholzkunde; Systematik, Beschreibung, Verwendung und Kultur der Ginkgoaceen, Freiland-Coniferen und Gnetaceen, für Gärtner. Forstleute und Botaniker - Beissner, Ludwig, 1843 -1927 (P. Parey, 1909)

Handbuch der palaeontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (R. Oldenbourg, 1890)

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

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1928)

Handbuch der Pflanzenkrankheiten - Graebner, Paul, 1871 -1933 (P. Parey, 1932)

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

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

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

Handy book of ornamental conifers of rhododendrons and other American flowering shrubs suitable for the climate and soils of Britain - Fraser, Hugh, botanist. (W. Blackwood and sons, 1875)

Hardwood record (Hardwood Co, 1912)

Hardwood record (Hardwood Co, 1916)

Hardy coniferous trees : being a concise description of each species and variety, with the most recently approved nomenclature, lists of synonyms, and best methods of cultivation - Webster, A. D. (Angus Duncan), 1855 -1931 (Hutchinson, 1896)

Hardy coniferous trees : being a concise description of each species and variety, with the most recently approved nomenclature, lists of synonyms, and best methods of cultivation ... - Webster, A. D. (Angus Duncan), 1855 -1931 (Hutchinson, 1896)

Hardy Fern Foundation newsletter - Hardy Fern Foundation. (The Foundation, 1994)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2010)

Hardy Fern Foundation quarterly - Hardy Fern Foundation. (The Hardy Fern Foundation, 2015)

Harvard botanical memoirs - Harvard University. (Harvard University], 1905)

The Hawaiian forester and agriculturist - Hawaii. Board of Commissioners of Agriculture; Forestry. (Advertiser pub. co., ltd. [etc.], 1918)

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

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

Herbertia - American Plant Life Society. ([American Plant Life Society], 2004)

Heredity and evolution in plants - Gager, C. Stuart (Charles Stuart), 1872 -1943 (P. Blakiston's Son & Co, 1920)

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

H.H. Berger & Co.'s price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.H. Berger & Co, 1897)

High grade vegetable and flower seeds, bulbs and small fruits for spring planting - McAllister, F.E. (Firm) (F.E. McAllister, 1895)

High grade vegetable and flower seeds, bulbs and small fruits for spring planting - McAllister, F.E. (Firm) (F.E. McAllister, 1896)

Hints on growing : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Co, 1923)

Hints on growing : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1928)

"Hints on growing" : annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company, 1931)

"Hints on growing" : annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1927)

Hints on growing for 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1929)

Hints on growing for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris & Snow Seed Company Incorporated, 1932)

Histoire des plantes - Figuier, Louis, 1819 -1894 (Hachette, 1880)

Historic American trees - Nicholson, Katharine Stanley (Frye, 1922)

Historic American trees - Nicholson, Katharine Stanley. (Frye publishing company, 1922)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1879)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1894)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1903)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1912)

The history of the European fauna - Scharff, R. F. (Robert Francis), 1858 -1934 (W. Scott, 1899)

[H.M. Thompson & Son materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H.M. Thompson & Son, 1879)

Home planting guide for 1942 ornamental trees and shrubs, roses, evergreens, fruits, nuts and berries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust Nursery and Flower Shop, 1942)

Home planting guide for 1942 : ornamental trees, shrubs, roses, evergreens, fruits, nuts, berries, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monrovia Nursery Co, 1942)

L'Horticulteur français de mil huit cent cinquante et un : journal des amateurs et des intérêts horticoles - Hérincq, F. (François), 1820 -1891 (Bureau du journal, 1872)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1978)

Horticulture Northwest - Northwest Ornamental Horticultural Society (Northwest Ornamental Horticultural Society, 1985)

Hortus Mortolensis : enumeratio plantarum in Horto Mortolensi cultarum = Alphabetical catalogue of plants growing in the garden of the late Sir Thomas Hanbury ... at La Mortola, Ventimiglia, Italy - Berger, Alwin, 1871 -1931 (West, Newman, 1912)

Hortus Veitchii : a history of the rise and progress of the nurseries of Messrs. James Veitch and sons, together with an account of the botanical collectors and hybridists employed by them and a list of the most remarkable of their introductions - Veitch, James Herbert, 1868 -1907 (J. Veitch & sons, 1906)

Host plants of leaf beetle species occurring in the United States and Canada : (Coleoptera: Megalopodidae, Orsodacnidae, Chrysomelidae, excluding Bruchinae) - Coleopterists Society. (Coleopterists Society, 2004)

House & garden (Condé Nast Publications, etc.], 1907)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (Collier, 1921)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (P.F. Collier & Son Company, 1921)

How plants are trained to work for man - Burbank, Luther, 1849 -1926 (P. F. Collier & Son Company, 1921)

How to tell the trees and Forest Endowment of Pacific Slope - Lemmon, J. G. (John Gill), 1832 -1908 (1902)

The human side of trees, wonders of the tree world - Dixon, Royal, 1885 -1962 (Stokes, 1917)

The human side of trees, wonders of the tree world, by Royal Dixon and Franklyn Everett Fitch - Dixon, Royal, 1885 -1962 (Frederick A. Stokes company, 1917)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1882)

I. Oberpliocäne Flora und Fauna des Untermaintales, insbesondere des Frankfurter Klärbeckens. II. Unterdiluviale Flora von Hainstadt a. M - Engelhardt, H. (Hermann), 1839 -1918 (Im Selbstverlage der Senckenbergischen Naturforschenden Gesellschaft, 1908)

Identification notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1954)

Identification of the economic woods of the United States : including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (J. Wiley & Son, 1912)

Identification of the economic woods of the United States; including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (Wiley, 1919)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (John Wiley & sons, inc.; [etc., etc.], 1919)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (J. Wiley & Sons, 1919)

Identification of the economic woods of the United States, including a discussion of the structural and physical properties of wood - Record, Samuel J. (Samuel James), 1881 -1945 (John Wiley & sons, inc.; [etc., etc. ], 1919)

The identification of trees & shrubs; how to recognize, without previous knowledge of botany, wild or garden trees and shrubs native to the north temperate zone - Makins, F. K. (Dutton, 1937)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1945)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1943)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1951)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1997)

Illustrated 1925 descriptive catalog, our sixtieth anniversary - Roeding, George Christian, 1868 -1928 (California Nursery Company, 1925)

Illustrated and descriptive seed catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Boardman & Co, 1890)

Illustrated and descriptive seed catalogue and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Boardman & Co, 1891)

Illustrated catalogue and practical planters guide combined : 1918 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, 1918)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1923)