1994 IUCN red list of threatened animals (1994)

Aanhangsel van het werk, De uitlandsche kapellen : voorkomende in de drie waereld-deelen Asia, Africa en America - Cramer, Pieter, 1721 -1776 (Chez Barthelmy Wild, 1779)

Abbildungen naturhistorischer Gegenstände : No. 1-100 - Blumenbach, Johann Friedrich, 1752 -1840 (Heinrich Dieterich, 1810)

Abhandlungen aus dem Gebiete der Naturwissenschaften / hrsg. vom Naturwissenschaftlichen Verein in Hamburg - Naturwissenschaftlicher Verein in Hamburg. (Naturwissenschaftlicher Verein, 1848)

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

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1914)

Abhandlungen der Naturforschenden Gesellschaft zu Halle - Naturforschende Gesellschaft zu Halle. (Naturforschende Gesellschaft zu Halle, 1856)

Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften - Königlich Preussische Akademie der Wissenschaften zu Berlin (Realschul-Buchhandlung, 1816)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1867)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1888)

Account of observations of the transit of Venus, 1874, December 8 made under the authority of the British government : and of the reduction of the observations - Great Britain. Treasury. (Printed for H.M. Stationery Off., under the authority of the Lords Commissioners of Her Majesty's Treasury, 1881)

Achatinellen-Fauna der Sandwich-Insel Molokai nebst einem Verzeichnis der übrigen daselbst vorkommenden Land- u. Süsswassermollusken - Borcherding, Friedrich, 1849 -1924 (E. Schweizerbartsche Verlagsbuchhandlung (E. Nägele), 1906)

Acta Societatis Scientiarum Fennicae - Suomen Tiedeseura ([Suomen Tiedeseura], 1858)

Acta Societatis Scientiarum Fennicae - Suomen Tiedeseura ([Suomen Tiedeseura], 1861)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1856)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1883)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1884)

Advance offering, bulbs for autumn planting 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1934)

The advancement of learning and New Atlantis - Bacon, Francis, 1561 -1626 (Oxford University Press, 1906)

Advancement of learning, and The new Atlantis - Bacon, Francis, 1561 -1626 (Oxford University Press, 1913)

The advancement of learning. Edited by William Aldis Wright - Bacon, Francis, 1561 -1626 (Clarendon Press, 1920)

The advancement of learning - Bacon, Francis, 1561 -1626 (Dent, 1915)

The advancement of learning. With an introd. by Henry Morley - Morley, Henry, 1822 -1894 (Cassel, 1905)

The advancement of science. Occasional essays & addresses - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Macmillan, 1890)

The advancement of science. Occasional essays & addresses - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Macmillan and co, 1890)

Adventures of a young naturalist - Biart, Lucien, 1828 -1897 (Harper & Brothers, publishers, Franklin Square, 1871)

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African violet magazine - African Violet Society of America. (African Violet Society of America, 1969)

Album 1 Pacific Islands, 1923 (Tanager Expedition), volume 2 - Wetmore, Alexander, 1886 -1978 (1923)

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 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, 1843)

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

Almost human : reminiscences from the Melbourne Zoo - Osborn, Annie R. (Whitcombe & Tombs, 1918)

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

The amateur's greenhouse and conservatory : a handy guide to the construction and management of planthouses, and the selection, cultivation, and improvement of ornamental greenhouse and conservatory plants - Hibberd, Shirley, 1825 -1890 (Groombridge and Sons, 1873)

American agriculturist (Orange Judd Co., Publishers [etc.], 1872)

American agriculturist (Orange Judd Co., Publishers [etc.], 1874)

American agriculturist (Orange Judd Co., Publishers [etc.], 1881)

American agriculturist, for the farm, garden and household (Orange Judd Co, 1872)

American agriculturist, for the farm, garden and household (Orange Judd Co, 1874)

American bee journal (Dadant & Sons, 1890)

The American botanist : a monthly journal for the plant lover - Clute, Willard Nelson, 1869 -1950 (Willard N. Clute & Co, 1910)

American fern journal - American Fern Society. (American Fern Society, 2011)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1917)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1918)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1836)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1845)

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, 1851)

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

American ornithology; or, The natural history of birds inhabiting the United States, not given by Wilson - Bonaparte, Charles-Lucien, 1803 -1857 (Carey, Lea & Carey, 1833)

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 (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 : 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 - Bonaparte, Charles-Lucien, 1803 -1857 (Cassell, Petter & Galpin, 1880)

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 and colored from original drawings taken from nature - Ord, George, 1781 -1866 (Samuel F. Bradford, 1824)

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 - Ord, George, 1781 -1866 (Whittaker, Treacher & Arnot, 1832)

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, 1829)

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, 1814)

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)

Amerson, A. Binion, Jr., 1963 - Amerson, A. Binion (1963)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1913)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1873)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1878)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1891)

Anales del Museo Nacional de Historia Natural de Buenos Aires - Museo Nacional de Historia Natural de Buenos Aires. (Impr. y Casa Editora "Juan A. Alsina", 1911)

The Analyst : monthly journal of science, literature, and the fine arts (1839)

An analytical index to the works of the late John Gould - Sharpe, Richard Bowdler, 1847 -1909 (H. Sotheran, 1893)