Transactions of the Wagner Free Institute of Science of Philadelphia - Wagner Free Institute of Science. (Wagner Free Institute of Science of Philadelphia, 1898)

Transactions of the Wagner Free Institute of Science of Philadelphia - Wagner Free Institute of Science. (Wagner Free Institute of Science of Philadelphia, 1903)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1894)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1908)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1913)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1886)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1877)

Transactions - Ottawa Field-Naturalists' Club - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1884)

Trattato di frutticoltura - Tamaro, Domenico (Ulrico Hoepli, 1915)

Travels in Peru and India while superintending the collection of chinchona plants and seeds in South America, and their introduction into India - Markham, Clements R. Sir, (Clements Robert), 1830 -1916 (J. Murray, 1862)

Travels to discover the source of the Nile : in the years 1768, 1769, 1770, 1771, 1772, and 1773. In six volumes - Bruce, James, 1730 -1794 (Printed [by William Sleater,] for P. Wogan, L. White..., and R. White, 1790)

Travels to discover the source of the Nile, in the years 1768, 1769, 1770, 1771, 1772, and 1773 - Bruce, James, 1730 -1794 (Printed by J. Ruthven, for G. G. J. and J. Robinson, London, 1790)

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)

A treatise on the history and management of ornamental and domestic poultry - Dixon, Edmund Saul, 1809 -1893 (E. H. Butler & co, 1851)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1906)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1906)

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

A Treatise on Zoology. Part V. Mollusca - Pelseneer, Paul, 1863 -1945 (A. & C. Black, 1906)

Triassic fishes from Spitzbergen - Stensiö, Erik Andersson, 1891 -1984 (A. Holzhausen, 1921)

Tromsø museums aarsberetning for ... - Tromsø museum. ([Tromsø museum], 1901)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1887)

Der Tropenpflanzer; zeitschrift für tropische landwirtschaft (1907)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1883)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1885)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1888)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1889)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1896)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1898)

Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1981)

Tuckers' garden book, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuckers' Seed House, 1934)

Tuckers' garden book, season 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuckers' Seed House, 1933)

Tuinbouw-flora van Nederland en zijne overzeesche bezittingen - Vriese, W. H. de (Willem Hendrik), 1806 -1862 (A. W. Sythoff, 1855)

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 das Aussterben der Naturvölker - Gerland, Georg. (Friedrich Fleischer, 1868)

Über die zone Avicula contorta Portl - Dittmar, Alphonse von. (F. Straub, 1864)

Ueber die Herrn Dr. Robby Kossmann am Rothen Meere Gesammelten Mollusken / von H. Alexander Pagenstecher - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (W. Engelmann, 1877)

Ueberblick über die Trias : mit Berücksichtung ihres Vorkommens in der Alpen - Alberti, Friedrich August von, 1795 -1878 (J.G. Cotta, 1864)

The "Undercliff" of the Isle of Wight; its climate, history, and natural productions - Martin, George Anne, 1807 or 8 -1867 (J. Churchill, 1849)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1846)

The University Geological Survey of Kansas - Kansas Geological Survey. (The Survey, 1908)

University of California publications in geological sciences - University of California, Berkeley. Department of Geology. (University of California Press, 1921)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1963)

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

Der untere Jura im nordwestlichen Deutchland von der Grenze der Trias bis zu den Amaltheethonen, mit besonderer Berücksichtigung seiner Molluskenfauna. Nebst Nachträgen zum mittleren Jura - Brauns, David August, 1827 -1893 (F. Vieweg, 1871)

Untersuchungen über das Mainzer tertiärbecken und dessen stellung im geologischen systeme - Sandberger, Fridolin, 1826 -1898 (Verlag von Kreidel und Niedner, 1853)

Untersuchungen über den Byssusapparat der Lamellibranchiaten - Seydel, Emil. (Lippert, 1909)

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)