Timehri - Royal Agricultural; Commercial Society of British Guiana. ("Argosy", 1887)

Timehri - Royal Agricultural; Commercial Society of British Guiana. ("Argosy", 1892)

Timehri : the journal of the Royal Agricultural and Commercial Society of British Guiana - Royal Agricultural; Commercial Society of British Guiana. (Argosy Co, 1913)

Trabalhos da Sociedade Vellosiana - Sociedade Vellosiana do Rio de Janeiro. (Typographia do Archivo Medico Brasileiro, 1849)

Traité d'histologie de l'homme et des animaux - Leydig, Franz, 1821 -1908 (Baillière, 1866)

Traité de paléontologie : ou, Histoire naturelle des animaux fossiles considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (J.-B. Baillière, 1854)

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, 1903)

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)

Transactions and proceedings and report of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1907)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1915)

Transactions of the American Entomological Society - American Entomological Society. (The Society, 1868)

Transactions of the American Philosophical Society - American Philosophical Society. (1899)

Transactions of the Geological Society - Geological Society of London ([The Society], 1841)

Transactions of the Geological Society - Geological Society of London ([The Society], 1845)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1992)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1855)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1854)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1864)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1869)

Transactions of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1891)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 1967)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 1985)

Transactions of the Shropshire Archaeological and Natural History Society - Shropshire Archaeological; Natural History Society (Great Britain) (Shropshire Archaeological and Natural History Society, 1920)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1869)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1868)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1877)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1879)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Longman, Rees, Orme, Brown, Green & Longman, Taylor, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman and John Taylor, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman [etc.], 1835)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1909)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1909)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. & C. Black, 1900)

Treubia - Kebun Raya Indonesia. (G. Kolff, 1922)

Treubia - Kebun Raya Indonesia. (G. Kolff, 1923)

The tropical world: a popular scientific account of the natural history of the animal and vegetable kingdoms in the equatorial regions - Hartwig, G. (Georg), 1813 -1880 (Longman, Green, Longman, Roberts, and Green, 1863)

Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1990)

Type specimens of marine mollusca described by P. P. Carpenter from the west coast (San Diego to British Columbia) - Palmer, Katherine V. W. (Katherine Van Winkle), 1895 -1982 (Geological Society of America], 1958)

Über den Bau der Korallenriffe und die Planktonvertheilung an den samoanischen Küsten; nebst vergleichenden Bemerkungen - Krämer, Augustin, 1865 -1941 (Lipsius & Tischer, 1897)

Über zwei verschiedene Typen in dem Bau der erectilen männlichen Geschlechtsorgane bei den strafssartigen Vögeln und über die Entwickelungsformen dieser Organe unter den Wirbelthieren überhaupt - Royal College of Physicians of Edinburgh. ([Gedruckt in der Druckerei der Königlichen Akademie der Wissenschaften], 1836)

Ueber verschiedene wege phylogenetischer entwickelung - Jaekel, Otto, (Jena : Gustav Fischer, 1902)

The underwater guide to marine life - Ciampi, Elgin. (Barnes, 1956)

Unsere palaeozoologische Kenntnis von Java, mit einleitenden Bemerkungen über die Geologie der Insel - Martin, Johannes Karl Ludwig, 1851 -1942 (E. J. Brill, 1919)

Unterhaltungen aus der Naturgeschichte : der Fische - Wilhelm, Gottlieb Tobias, 1758 -1811 (in J.A. Schlo?ers Buch und Kunsthandlung, 1834)

Untersuchungen uber die Entwickelungs-Gesetze der organischen Welt wahrend der Bildungs-Zeit unserer Erd-Oberflache : eine von der Franzosischen Akademie im Jahre 1857 gekronte Preisschrift, mit ihrer Erlaubniss Deutsch herausgegeben - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart'sche Verlagshandlung, 1858)

Untersuchungen über die vom n. Trigeminus innervierte Muskulatur der Selachier (Haie und Rochen) unter Berücksichtigung ihrer beziehungen zu benachbarten Organen - Luther, Alexander Ferdinand, 1877 - (ex Officina typographica Societatis litterariae fennicae, 1909)

Untersuchungen zur Ichthyologie angestellt in der Physiologischen und Vergleichend-Anatomischen anstalt der Universitat Freiburg nebst einer Geschichte und Beschreibung dieser Institute - Ecker, Alexander, 1816 -1887 (1857)

Untersuchungen zur vergleichenden anatomie der wirbelthiere - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1864)

Die Verbreitung der Fische : Monografie - Palacký, Jan, 1830 -1908 (J. Palacký, 1895)