The terrestrial air-breathing mollusks of the United States, and the adjacent territories of North America - Gould, Augustus A. (Augustus Addison), 1805 -1866 (C. C. Little and J. Brown, 1851)

Die tertiären und quartären Versteinerungen Chiles - Philippi, Rodolfo Amando, 1808 -1904 (F.A. Brockhaus, 1887)

The Tertiary and Quaternary Pectens of California - Arnold, Ralph, 1875 -1961 (Govt. Print. Off, 1906)

Tertiary faunal horizons of western Washington - Weaver, Charles E. (Charles Edwin), 1880 -1958 (University of Washington, 1916)

Tertiary rhynchophorous Coleoptera of the United States - Scudder, Samuel Hubbard, 1837 -1911 (Govt. print. off, 1893)

Testacea Britannica, or, Natural history of British shells, marine, land, and fresh-water, including the most minute : systematically arranged and embellished with figures - Dorville, Elizabeth, (And sold by J. White, 1803)

Testacea Musei Cæsarei Vindobonensis - Naturhistorisches Museum (Austria) (Sumptibus Joannis Pauli Kraus, 1780)

Testacea Musei Caesarei Vindobonensis quae jussu Mariae Theresiae Au - Born, Ignaz, Edler von, 1742 -1791 ([s.n.], 1780)

Testacea utriusque Siciliae eorumque historia et anatome : tabulis aeneis illustrata - Delle Chiaie, S. (Stefano), 1794 -1860 (Ex regio typographeio, 1791)

Testacea utriusque Siciliae eorumque historia et anatome : tabulis aeneis illustrata - Delle Chiaie, S. (Stefano), 1794 -1860 (Ex regio typographeio, 1795)

Testacea utriusque Siciliae eorumque historia et anatome : tabulis aeneis illustrata - Delle Chiaie, S. (Stefano), 1794 -1860 (Ex regio typographeio, 1826)

Texas conchologist (Houston Conchology Society], 1964)

Texas conchologist (Houston Conchology Society], 1967)

Texas conchologist (Houston Conchology Society], 1972)

Texas conchologist (Houston Conchology Society], 1974)

Texas conchologist (Houston Conchology Society], 1979)

Texas conchologist (Houston Conchology Society], 1981)

Texas conchologist (Houston Conchology Society], 1986)

Texas conchologist (Houston Conchology Society], 1989)

Texas conchologist (Houston Conchology Society], 1991)

Texas conchologist (Houston Conchology Society], 1993)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1951)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

A text-book of chemical physiology and pathology - Halliburton, W. D. (William Dobinson), 1860 -1931 (Longmans, Green, 1891)

Text-book of comparative anatomy - Lang, Arnold, 1855 -1914 (Macmillan and Co, 1896)

Text-book of paleontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan and Co., limited, 1913)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1900)

Text-book of physiology - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Pentland, 1898)

Text-book of physiology - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Y. J. Pentland, 1898)

A text-book of the principles of animal histology - Dahlgren, Ulric, 1870 - (The Macmillan Company, 1908)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

Text-book of zoology for junior students - Nicholson, Henry Alleyne, 1844 -1899 (1888)

Text-book of zoology for junior students - Nicholson, Henry Alleyne, 1844 -1899 (American Book Co, 1885)

A text-book of zoology for schools - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1851)

Text-book of zoology for schools and colleges - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton and Co, 1884)

Theologie des insectes, ou demonstration des perfections de Dieu dans tout ce qui concerne les insectes - Lesser, Friedrich Christian, 1692 -1754 (H.D. Chaubert [etc.], 1745)

Thesaurus conchyliorum, or, Monographs of genera of shells - Sowerby, G. B. (George Brettingham), 1812 -1884 (Sowerby, 1847)

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)

Thèses présentées à la Faculté des Sciences de Paris : pour obtenir le grade de docteur ès sciences naturelles - Letellier, Augustin, (Typographie Oudin, 1887)

Die Thiere Andalusiens nach dem Resultate einer Reise zusammengestellt, nebst den Beschreibungen von 249 neuen oder bis jetzt noch unbeschriebenen Gattungen und Arten - Rosenhauer, Wilhelm Gottlob. (T. Blaesing, 1856)

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, geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (F.A. Brockhaus, 1836)

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)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1855)