Iowa parks. Conservation of Iowa historic, scenic and scientific areas. Also, a description of numerous areas suitable for public state parks, with reasons for their preservation. Report of the State board of conservation - Pammel, L. H. (Louis Hermann), 1862 -1931 (1920)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

It's not a home until it's planted - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nursery, 1930)

It's not a home until it's planted - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nursery, 1929)

J. Sturms Flora von Deutschland : in Abbildungen nach der Natur - Sturm, Jakob, 1771 -1848 (K. G. Lutz, 1905)

Jahrbuch der Kaiserlich Königlichen Geologischen Reichsanstalt - K.K. Geologische Reichsanstalt (Austria) (K.K. Hof- und Staats-Druckerei, 1859)

Jahrbuch für Gartenkunde und Botanik (E. Strauss, 1884)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1901)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1862)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1871)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1872)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1881)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1908)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1917)

Jahresbericht des Mannheimer Vereins für Naturkunde - Mannheimer Verein für Naturkunde. (Kaufmann, 1883)

Jahresbericht über das Gebiet der Pflanzenkrankheiten - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1910)

James Galen's first annual catalogue of North American herbaceous plants, orchids, shrubs, climbers, alpine, aquatic, and bog plants, rare ferns, etc. for 1882 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James Galen, 1882)

January bulletin of forestry and lining out stock : spring 1928 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1928)

Le Jardin (Librairie horticole du Jardin, 1898)

Jas. M. Thorburn & Co's annual descriptive catalogue of seeds : for the vegetable garden, for the flower garden, for the lawn, for the farm, for the nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James M. Thorburn & Co, 1887)

Jas. M. Thorburn & Co's annual descriptive catalogue of seeds : for the vegetable garden, for the flower garden, for the lawn, for the farm, for the nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James M. Thorburn & Co, 1890)

Jas. M. Thorburn & Co's annual descriptive catalogue of seeds : for the vegetable garden, for the flower garden, for the lawn, for the farm, for the nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James M. Thorburn & Co, 1889)

J.M. Thorburn & Co.'s annual descriptive catalogue of flower seeds : with practical directions for their culture and treatment; also, a choice list of beautiful French hybrid gladiolus, and other spring bulbous roots - Thorburn, J.M. & Co. (J.M. Thorburn & Co, 1893)

J.M. Thorburn & Co.'s annual descriptive catalogue of seeds, 1894 : the largest collection in the world for the flower garden, for the lawn, for the vegetable garden, for the farm & nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1894)

John Gardiner & Co.'s trade price-list of flower, vegetable and farm seeds : bulbs, implements, fertilizers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Gardiner & Co, 1893)

John Leonard Riddell and John Torrey correspondence, 1833-1838 - Riddell, John Leonard, 1807 -1867 (1833)

John U. Kumerle & Son's annual descriptive catalogue of seeds : for the vegetable garden, for the flower garden, for the lawn, for the farm, for the nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John U. Kumerle & Son's, 1891)

Jornal de horticultura practica - Loureiro, José Marques, 1830 -1898 (José Marques Loureiro, 1872)

Journal and proceedings of the Hamilton Association - Hamilton Association. (Printed for the Hamilton Association by the Spector Printing Co, 1883)

Journal de botanique, rédigé par une société de botanistes - Desvaux, N. A. (Nicaise Auguste), 1784 -1856 (G. Dufour, impr. de J.B. Sajou, 1808)

Journal de l'agriculture - Barral, J .A. (Jean Augustin), 1819 -1884 (Ch. Delagrave, 1875)

Journal kept by David Douglas during his travels in North America 1823-1827, together with a particular description of thirty-three species of American oaks and eighteen species of Pinus, with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834. Published under the direction of the Royal Horticultural Society - Royal Horticultural Society (Great Britain) (W. Wesley & Son, 1914)

Journal of a horticultural tour through some parts of Flanders, Holland, and the north of France, in the autumn of 1817 - Neill, Patrick, 1776 -1851 (Bell & Bradfute, 1823)

Journal of agricultural research - Association of American Agricultural Colleges; Experiment Stations. (U.S. Govt. Printing Office, 1914)

Journal of botany, British and foreign - Rendle, A. B. (Alfred Barton), 1865 -1938 (Robert Hardwicke, 1865)

Journal of botany, British and foreign - Rendle, A. B. (Alfred Barton), 1865 -1938 (Robert Hardwicke, 1869)

Journal of botany, British and foreign - Rendle, A. B. (Alfred Barton), 1865 -1938 (Robert Hardwicke, 1873)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1911)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1915)

Journal of forestry - Society of American Foresters. (Society of American Foresters, 1918)

The Journal of heredity - American Genetic Association. (American Genetic Association, 1914)

The Journal of heredity - American Genetic Association. (American Genetic Association, 1915)

The Journal of heredity - American Genetic Association. (American Genetic Association, 1916)

The Journal of heredity - American Genetic Association. (American Genetic Association, 1920)

The Journal of horticulture, cottage gardener and country gentlemen (George W. Johnson and Robert Hogg, 1863)

The Journal of horticulture, cottage gardener and country gentlemen (George W. Johnson and Robert Hogg, 1877)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1885)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1902)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1903)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1904)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1907)

The Journal of pharmacology - College of Pharmacy of the City of New York. Alumni Association. (Alumni Association of the College of Pharmacy of the City of New York, 1897)

The Journal of Research on the Lepidoptera - Lepidoptera Research Foundation (Lepidoptera Research Foundation, 1991)

The Journal of the Alabama Academy of Science - Alabama Academy of Science. ([Auburn University Printing Service], 1947)

The Journal of the Alabama Academy of Science - Alabama Academy of Science. ([Auburn University Printing Service], 1999)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1921)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1926)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1930)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1945)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1957)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1961)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1963)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1965)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1972)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1976)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1978)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1982)

Journal of the Botanical Research Institute of Texas - Botanical Research Institute of Texas. (Botanical Research Institute of Texas, 2007)

Journal of the Botanical Research Institute of Texas - Botanical Research Institute of Texas. (Botanical Research Institute of Texas, 2008)

Journal of the Botanical Research Institute of Texas - Botanical Research Institute of Texas. (Botanical Research Institute of Texas, 2012)

Journal of the Botanical Research Institute of Texas - Botanical Research Institute of Texas. (Botanical Research Institute of Texas, 2014)

The Journal of the Cincinnati Society of Natural History - Cincinnati Society of Natural History. (The Society, 1904)

Journal of the Elisha Mitchell Scientific Society - Elisha Mitchell Scientific Society (Chapel Hill, N.C.) (Elisha Mitchell Scientific Society [etc.], 1912)

The Journal of the Iowa Academy of Science : JIAS - Iowa Academy of Science (The Academy, 1896)

The Journal of the Iowa Academy of Science : JIAS - Iowa Academy of Science (The Academy, 1898)

Journal of the Kentucky Academy of Science - Kentucky Academy of Science. (The Academy, 2000)

Journal of the Kentucky Academy of Science - Kentucky Academy of Science. (The Academy, 2010)

Journal of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1970)

Journal of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1972)

Journal of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1978)

Journal of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1980)

Journal of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1982)

Journal of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1917)

Journal of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1942)

Journal of the New York Entomological Society - New York Entomological Society. (Allen Press [etc.], 1932)

Journal of the Royal Agricultural Society of England - Royal Agricultural Society of England. (Royal Agricultural Society of England, 1853)

Journal of the Royal Horticultural Society of London - Horticultural Society of London (Printed for the Royal Horticultural Society by Spottiswoode & Co, 1906)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1914)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1933)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1940)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1947)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1950)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1951)

Journal of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences], 1952)

Jubilee floral catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nanz & Neuner, 1900)

July bulletin of seedlings and transplants [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kelsey Nursery Service, 1928)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1883)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1885)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1887)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1888)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1889)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1890)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1892)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1893)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1895)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1896)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1898)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1899)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1900)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1901)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1905)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1906)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1908)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1909)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1910)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1913)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1914)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1915)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1918)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1919)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1920)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1921)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1922)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1925)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1926)

J.V. Bailey Nurseries, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.V. Bailey Nurseries, 1936)