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Rubber-content of North American plants - Hall, Harvey Monroe, 1874 -1932 (1921)

Rubber-content of North American plants - Hall, Harvey Monroe, 1874 -1932 (Carnegie Institution of Washington, 1921)

Rubber-content of North American plants by Harvey M. Hall and Frances L. Long - Hall, Harvey Monroe, 1874 -1932 (Carnegie Institution of Washington, 1921)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1849)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1852)

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Samenzucht, Samenhandlung, Handelsgärtnerei : Jahrgang 77, Nr. 176, Gründungsjahr 1855 / Carl Pabst - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1932)

Samenzucht und Samenhandlung, Handelsgärtnerei : Jubiläums-Katalog, 1930, 1855-1930, 75 Jahre / Carl Pabst - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1930)

Samuel Barnum Mead and John Torrey correspondence, 1841-1847 - Mead, Samuel Barnum, 1798 -1880 (1844)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1874)

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Scientific memoirs, selected from the transactions of foreign academies of science, and from foreign journals. Natural history - Huxley, Thomas Henry, 1825 -1895 (Taylor and Francis, 1853)

A second edition of Webber's "Appendix to the catalogue of the flora of Nebraska" - Bessey, Charles E. (Charles Edwin), 1845 -1915 ([University of Nebraska?, 1892)

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Species Blancoanae :a critical revision of the Philippine species of plants described by Blanco and by Llanos - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Printing, 1918)

Sprawozdanie Komisyi Fizyograficznej (1902)

Stahl's grosses illustriertes Kräuterbuch; ausführliche Beschreibung aller auf den Bergen und in den Thälern, auf den Wiesen und in den Wäldern wild wachsenden Pflanzen und Kräuter ... (Stahl, 1900)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

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A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co, 1896)

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Syllabus de Pflanzenfamilien, eine Übersicht über das gesamte Pflanzensystem mit besonderer Berücksichtigung der Medizinalund Nutzpflanzen nebst einer Ubersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1919)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1979)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1982)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1989)

A synopsis of the flora of the western states - Riddell, John Leonard, 1807 -1867 (E. Deming, 1835)

Tableau encyclopédique et méthodique des trois règnes de la nature. Botanique - Poiret, Jean-Louis-Marie, 1755 -1834 (Panckoucke, 1793)

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Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types Supplement VIII Fres-G - Dorr, Laurence J. (A.R.G. Gantner Verlag K.G, 2009)

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Termeszettudomanyi Palyamunkak (1837)

Termini botanici iconibus illustrati : oder, Botanische Kunstsprache durch Abbildungen - Hayne, Friedrich Gottlob, 1763 -1832 (Bey W. Öhmigke dem Jüngern, 1807)

A text-book of botany and pharmacognosy, intended for the use of students of pharmacy, as a reference book for pharmacists, and as a handbook for food and drug analysts - Kraemer, Henry, 1868 -1924 (Lippincott, 1907)

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Text-book of botany, morphological and physiological - Sachs, Julius, 1832 -1897 (Clarendon press, 1882)

Text-book of botany : morphological and physiological - Sachs, Julius, 1832 -1897 (Clarendon Press, 1883)

Text-book of botany, morphological and physiological - Bennett, Alfred W. (Alfred William), 1833 -1902 (Clarendon Press, 1875)

A textbook of botany for colleges and universities - Coulter, John Merle, 1851 -1928 (Amer. Bk. Co, 1910)

A textbook of botany for colleges and universities - Coulter, John Merle, 1851 -1928 (American book company, 1911)

A textbook of botany for colleges and universities - Coulter, John Merle, 1851 -1928 (American book company, 1910)

Textbook of theoretical botany - Ivimey-Cook, W. R. (Walter Robert), 1901 -1952 (Longmans, Green, 1956)

Teysmannia (G. Kolff, 1905)

Thesaurus literaturae botanicae omnium gentium :inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F. A. Brockhaus, 1851)

Thesaurus literaturae botanicae omnium gentium : inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F.A. Brockhaus, 1851)

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Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1967)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1975)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1977)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1988)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)