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, 1824)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1848)

Itinerary notes of plants collected in the Khasyah and Bootan Mountains 1837-38, in Affghanistan and neighbouring countries 1839-1841 - Griffith, William, 1810 -1845 (1848)

J. M. Nickell's Botanical ready reference : especially designed for druggists and physicians ... - Nickell, J. M. (Nickell, 1881)

Jacob Whitman Bailey and John Torrey correspondence, 1836-1857 - Bailey, Jacob Whitman, 1811 -1857 (1836)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1876)

Jahresbericht der Königl. Schwedischen Akademie der Wissenschaften über die Fortschritte der Botanik ... - Kungl. Svenska vetenskapsakademien. (Konigl. Schwedischen Akademie der Wissenschaften, 1834)

Jahresbericht der Vereinigung für Angewandte Botanik - Vereinigung für Angewandte Botanik. (Gebrüder Borntraeger, 1913)

Jahresbericht über die Fortschritte auf dem Gesamtgebiete der Agrikultur-Chemie (Julius Springer, 1884)

J.M. Nickell's botanical ready reference : especially designed for druggists and physicians : containing all of the botanical drugs known up to the present time, giving their medical properties, and all of their botanical, common, pharmacopoeal and German common (in German) names - Nickell, James Madison. (Murray & Nickell Mfg. Co, 1911)

J.M. Nickell's botanical ready reference : especially designed for druggists and physicians, containing all of the botanical drugs known up to the present time, giving their medical properties, and all of their botanical, common, pharmacopoeal and German common (in German) names - Nickell, James Madison. (rev. & publ. by Murry & Nickell, 1895)

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

Journal and proceedings of the Royal Society of New South Wales - Royal Society of New South Wales (C. Potter, Acting. Govt. Printer, 1881)

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Journal of agricultural research - Association of American Agricultural Colleges; Experiment Stations. (U.S. Govt. Printing Office, 1918)

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The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1987)

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Journal of botany, British and foreign - Rendle, A. B. (Alfred Barton), 1865 -1938 (Robert Hardwicke, 1867)

Journal of botany, British and foreign - Rendle, A. B. (Alfred Barton), 1865 -1938 (Robert Hardwicke, 1882)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1908)

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)

Journal of forestry - Society of American Foresters. (Society of American Foresters, 1921)

Journal of Indian botany (Methodist Pub. House, 1919)

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.], 1888)

Journal of mycology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 ([s.n.], 1889)

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.], 1905)

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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)

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The journal of the Asiatic Society of Bengal - Asiatic Society of Bengal (Bishop's College Press, 1832)

The journal of the Asiatic Society of Bengal - Asiatic Society of Bengal (Bishop's College Press, 1844)

The journal of the Asiatic Society of Bengal - Asiatic Society of Bengal (Bishop's College Press, 1855)

The journal of the Asiatic Society of Bengal - Asiatic Society of Bengal (Bishop's College Press, 1875)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1912)

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Journal of the Lepidopterists' Society - Lepidopterists' Society (Lepidopterists' Society, 1993)

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Juan Fernandez and Hawaii; a phytogeographical discussion - Skottsberg, Carl, 1880 -1963 (The Museum, 1925)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1884)

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

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1886)

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, 1891)

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, 1897)

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, 1901)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1904)

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, 1907)

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, 1911)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1912)

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

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

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

The Kansas City scientist (Academy of Sciences Pub. Co, 1891)

Kelsey's hardy American plants - Kelsey, Frederick Wallace, 1850 -1935 (Frederick W. Kelsey, 1906)

Kelsey's hardy American plants and Carolina mountain flowers : Highlands Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1903)

Kelsey's hardy American plants and Carolina mountain flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1901)

Kelsey's hardy American plants and Carolina mountain flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1905)

Kelsey's hardy American plants and Carolina mountain flowers : wholesale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1901)

Kelsey's hardy American plants and Carolina mountain flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1903)

Kelsey's hardy American plants and Carolina mountain flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1902)

Kelsey's hardy American plants : grown in the Carolina Mountains - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1910)

Kelsey's hardy American plants [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1910)

Key and flora : northern and central states - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1908)

Key and flora, northern and central states - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1908)

A key to the genera of Manhattan plants, based on fruit characters - Hitchcock, A. S. (Albert Spear), 1865 -1935 (Mercury Publishing House], 1894)