Thesaurus conchyliorum, or, Monographs of genera of shells - Sowerby, G. B. (George Brettingham), 1812 -1884 (Sowerby, 1855)

Thesaurus imaginum piscium testaceorum : quales sunt cancri, echini, echinometra, stellæ marinæ, &c. ut et cochlearum ... quibus accedunt conchylia, ut nautilus, cornu Ammonis, & conchæ univalviæ et bivalviæ ... denique mineralia - Rumpf, Georg Eberhard, 1627 -1702 (apud P. van der Aa, 1711)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1822)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1825)

Das Thierreich, geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (F.A. Brockhaus, 1834)

Das Thierreich in seinen Hauptformen systematisch beschrieben - Kaup, J. J. (Johann Jacob), 1803 -1873 (Diehl, 1835)

Third American edition of the British encyclopedia, or Dictionary of arts and sciences : comprising an accurate and popular view of the present improved state of human knowledge - Nicholson, William, 1753 -1815 (Mitchell, Ames and White, 1818)

Third annual report of the Regents of the University on the condition of the State Cabinet of Natural History and the Historical and Antiquarian Collection annexed thereto - Hall, James, 1811 -1898 (Weed, Parsons, 1850)

Tierbau und tierleben in ihrem zusammenhang betrachtet - Doflein, Franz, 1873 -1924 (B. G. Teubner, 1914)

Tierleben : allgemeine Kunde des Tierreichs - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1911)

Das Tierreich - Heck, Ludwig, 1860 -1951 (W. Pauli, 1894)

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Timehri - Royal Agricultural; Commercial Society of British Guiana. ("Argosy", 1888)

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The tourist's flora : a descriptive catalogue of the flowering plants and ferns of the British Islands, France, Germany, Switzerland, Italy, and the Italian islands - Woods, Joseph, 1776 -1864 (Reeve and Benham, 1850)

Trabajos del Museo de Ciencias Naturales. Serie zoológica - Museo Nacional de Ciencias Naturales (Spain) (El Museo, 1917)

Trait©♭ de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1899)

Traité de géologie et de paléontologie - Credner, Hermann, 1841 -1913 (F. Savy, 1879)

Traité de paléontologie : ou, Histoire naturelle des animaux fossiles considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (J.-B. Baillière, 1855)

Traité de paléontologie : ou, Histoire naturelle des animaux fossiles considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (J.-B. Baillière, 1857)

Traité de zoologie - Claus, Carl, 1835 -1899 (F. Savy, 1884)

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1897)

Traité des arbres & arbrisseaux, forestiers, industriels et d'ornement, cultivés ou exploités en Europe et plus particulièrement en France, donnant la description et l'utilisation de plus de 2400 espèces et 2000 variètès - Mouillefert, P. (Pierre), 1846 -1903 (Librairie des sciences naturelles, 1898)

Traité élémentaire de conchyliologie : avec les applications de cette science à la géologie. T. 1, partie 1, Introduction - Deshayes, G. P. (Gérard Paul), 1795 -1875 (V. Masson, 1839)

Traité élémentaire de conchyliologie : avec les applications de cette science à la géologie. T. 1, partie 2, Conchifères dimyaires - Deshayes, G. P. (Gérard Paul), 1795 -1875 (Crochard, 1843)

Traité élémentaire de paléontologie; ou, Histoire naturelle des animaux fossiles, considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (Langlois et Leclerq, 1844)

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Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1901)

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Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1904)

Transactions of the Geological Society - Geological Society of London ([The Society], 1811)

Transactions of the Geological Society - Geological Society of London ([The Society], 1814)

Transactions of the Geological Society - Geological Society of London ([The Society], 1821)

Transactions of the Geological Society - Geological Society of London ([The Society], 1822)

Transactions of the Geological Society - Geological Society of London ([The Society], 1836)

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Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1929)

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The Transactions of the Microscopical Society of London - Microscopical Society of London. (John Van Voorst, 1861)

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Travels in Brazil, in the years 1817-1820, : undertaken by command of His majesty the King of Bavaria by Dr. Joh.Babt. von Spix and Dr. C. F. Phil. von Martius - Spix, Johann Baptist von, 1781 -1826 (Longman, Hurst, Rees, Orme, Brown and Green, 1821)

Travels in Brazil, in the years 1817-1820 : undertaken by command of His Majesty the King of Bavaria - Martius, Karl Friedrich Philipp von, 1794 -1868 (Longman, Hurst, Rees, Orme, Brown, and Green, 1824)

Travels in New Zealand with contributions to the geography, geology, botany, and natural history of that country - Dieffenbach, Ernst, 1811 -1855 (J. Murray, 1843)

Travels in the Confederation, 1783-1784 - Morrison, Alfred J. (W.J. Campbell, 1911)

The treasury of natural history; or, A popular dictionary of animated nature: in which the zoological characteristics that distinguish the different classes, genera, and species, are combined with a variety of interesting information illustrative of the habits, instincts, and general economy of the animal kingdom. To which are added, A syllabus of practical taxidermy, and A glossarial appendix. Embellished with nine hundred woodcuts, expressly engraved for this work - Maunder, Samuel, 1785 -1849 (Longman, Brown, Green, and Longmans, 1852)

Treatise on Malacology; or, the natural classification of shells and shell fish. By William Swainson ... - Swainson, William, 1789 -1855 (Printed for Longman, Orme, Brown, Green & Longmans [etc.], 1840)