1942 Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Adams Nursery, Inc, 1942)

1950 ribbon glads - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ben B. Ruehr, 1950)

1951 catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1951)

1956 quantity price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (LeGron Iris Garden, 1956)

1986 IUCN red list of threatened animals - IUCN Conservation Monitoring Centre. (International Union for Conservation of Nature and Natural Resources, 1986)

1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

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Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1906)

Abhandlungen der Naturforschenden Gesellschaft zu Görlitz - Staatliches Museum für Naturkunde Görlitz. (1895)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1909)

Abhandlungen über verschiedene Gegenstände der Naturgeschichte - Schröter, Johann Samuel, 1735 -1808 (J. Just. Gebauers Witwe und J. Jac. Gebauer, 1776)

Abhandlungen und Berichte des Königl. Zoologischen und Anthropologisch-Etnographischen Museums zu Dresden - Königl. Zoologisches und Anthropologisch-Ethnographisches Museum zu Dresden (Germany) (R. Friedlaender, 1890)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1903)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1917)

Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. J.C. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party - Say, Thomas, 1787 -1834 (H.C. Carey and I. Lea, 1823)

An account of the birds and mammals of the San Jacinto area of southern California with remarks upon the behavior of geographic races on the margins of their habitats - Grinnell, Joseph, 1877 -1939 (University of California Press, 1913)

An account of the Crustacea of Norway, with short descriptions and figures of all the species - Sars, G. O. (Georg Ossian), 1837 -1927 (A. Cammermeyer, 1895)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2016)

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Advances in cladistics : proceedings of the ... meeting of the Willi Hennig Society - Platnick, Norman I. (New York Botanical Garden, 1981)

Advances in the biology of shrews - Kirkland, Gordon L., Jr., 1943 -1999 (Carnegie Museum of Natural History, 1994)

The African Republic of Liberia and the Belgian Congo : based on the observations made and material collected during the Harvard African Expedition, 1926-1927 - Strong, Richard P. (Richard Pearson), 1872 -1948 (Harvard University Press, 1930)

Agricultural zoology - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (Chapman & Hall, Ld, 1894)

Agriculture appropriation bill - United States. Congress. House. Committee on Agriculture. (Govt. print. off, 1920)

Aguas continentales y diversidad biológica de México - Arriaga Cabrera, Laura (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2000)

Aide-mémoire de Zoologie - Girard, Henri, 1879 -1949 (J.-B. Bailliere, 1895)

Alaska, May 1 - December 3, 1878 - Nelson, Edward William, 1855 -1934 (1878)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1932)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1935)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1937)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1940)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1941)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1947)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1948)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1953)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1954)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1955)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1960)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1969)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1971)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1972)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1973)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1975)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1978)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1981)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1989)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1992)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1999)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1995)

Albatross copepods, notes and specimen lists - Wilson, Charles Branch, 1861 -1941 (1887)

Az állat-ország fölosztva alkotása szerint : alapul szolgálandó az állatok természetleirásához s bevezetésul az összehasonlitó bonctanhoz - Cuvier, Georges, baron, 1769 -1832 (A Magyar Királyi Egyetem Betuivel. A M. Acadm. költségein, 1841)

Allgemeine deutsche naturhistorische Zeitung - Gesellschaft Isis in Dresden. (R. Kuntze, 1855)

Allgemeine Encyklopädie der gesammten Forst- und Jagdwissenschaften. Unter Mitwirkung der bedeutendsten Fachautoritäten - Dombrowski, Raoul von, 1833 -1896 (M. Perles, 1886)

Allgemeine Fischerei-Zeitung (Landesfischereiverband Bayern [etc.], 1900)

Allgemeine naturgeschichte, als Philosophische und Humanitätswissenschaft für Naturforscher, Philosophen und das Hoher gebildete Publikum - Perty, Maximilian, 1804 -1884 (C. Fischer, 1841)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1837)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1842)

Allgemeines Polyglotten-Lexicon der Naturgeschichte mit erklaerenden Anmerkungen - Nemnich, Philipp Andreas, 1764 -1822 (Nemnich, 1793)

Alphabetisches Verzeichnis der bisher bekannten Schmetterlinge aus allen Welttheilen mit ihren Synonymen - Jung, Conrad Christoph, 1816 (Knenlein, 1792)

Alphabetisches Verzeichnis der bisher bekannten Schmetterlinge aus allen Welttheilen mit ihren Synonymen - Jung, Conrad Christoph, 1816 (Knenlein, 1791)

The alpine vascular flora and vegetation of Prospect Mountain, front range, Rocky Mountains, Alberta - Mortimer, Patricia R. (University of Alberta, Dept. of Botany, 1978)

Alytes: International Journal of Batrachology - International Society For The Study; Conservation Of Amphibians (Museum national d'histoire naturelle, 1995)

Alytes: International Journal of Batrachology - International Society For The Study; Conservation Of Amphibians (Museum national d'histoire naturelle, 1997)

Alytes: International Journal of Batrachology - International Society For The Study; Conservation Of Amphibians (Museum national d'histoire naturelle, 1998)

America, oder wie mans zu teutsch nennet die Neuwe Welt, oder West Jndia - Acosta, José de, 1540 -1600 (Durch Cornelium Sutorium, 1605)

The American entomologist and botanist ([s.n.], 1869)

American fern journal - American Fern Society. (American Fern Society, 1997)

American fern journal - American Fern Society. (American Fern Society, 2004)

American fern journal - American Fern Society. (American Fern Society, 2008)

American journal of conchology - Tryon, George W., (George Washington), 1838 -1888 (G.W. Tryon, jr, 1866)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1844)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1847)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1866)

American malacological bulletin - American Malacological Union. ([American Malacological Union], 1999)

American malacological bulletin - American Malacological Union. ([American Malacological Union], 2014)

The American monthly microscopical journal (Romyn Hitchcock, 1900)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1867)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1868)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1870)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1874)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1887)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1917)

The American oologists' exchange price list of North American birds' eggs, 1922 (R. Magoon Barnes, 1922)

The American oologists' exchange price list of North American birds' eggs, 1922 - Bales, B. R. (R.M. Barnes, 1922)

American ornithology : or, The natural history of the birds of the United States - Baird, Spencer Fullerton, 1823 -1887 (Porter and Coates, 1870)

American ornithology, or, The natural history of the birds of the United States - Bonaparte, Charles-Lucien, 1803 -1857 (Cassell, Petter & Galpin, 1880)

American ornithology; or, the natural history of the birds of the United States - Bonaparte, Charles-Lucien, 1803 -1857 (Porter & Coates, 1878)

American ornithology, or, The natural history of the birds of the United States : illustrated with plates, engraved and colored from original drawings from nature - Baird, Spencer Fullerton, 1823 -1887 (Porter & Coates, 1871)

American ornithology, or, The natural history of the birds of the United States : illustrated with plates engraved from drawings from nature - Baird, Spencer Fullerton, 1823 -1887 (Porter & Coates, 1878)

American ornithology; or, The natural history of the birds of the United States... By ALexander Wilson. With a sketch of the author's life, by George Ord, F. L. S. & c - Ord, George, 1781 -1866 (Harrison Hall, 1828)

American ornithology, or, The natural history of the birds of the United States - Ord, George, 1781 -1866 (Whittaker, Treacher & Arnot, 1832)

American ornithology; or, The natural history of the birds of the United States - Bonaparte, Charles-Lucien, 1803 -1857 (Cassell, Petter & Galpin, 1870)

American ornithology, or, The natural history of the birds of the United States : illustrated with plates engraved and colored from original drawings taken from nature - Ord, George, 1781 -1866 (Published by Bradford and Inskeep, Printed by Robert Carr, 1812)

American ornithology, or, The natural history of the birds of the United States - Ord, George, 1781 -1866 (Printed for Constable and Co, 1831)

American ornithology, or the natural history of the birds of the United States - Jameson, Robert, 1774 -1854 (pr. for Constable, 1831)

American ornithology, with notes by Jardine. To which is added a synopsis of American birds, including those described by Bonaparte, Audubon, Nuttall, and Richardson, by T.M. Brewer - Brewer, T. M. (Thomas Mayo), 1814 -1880 (H.S. Samuels, 1853)

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

Amerigo Vespucci and the rat of Fernando de Noronha : a new genus and species of Rodentia (Muridae, Sigmodontinae) from a volcanic island off Brazil's continental shelf - Carleton, Michael D. (Michael Dean), 1944 - (American Museum of Natural History, 1999)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2011)