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, 1903)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1903)

Trinidad, its geography, natural resources, administration, present condition, and prospects - Verteuil, L. A. A. de (Cassell, 1884)

Trinidad: its geography, natural resources, administration, present condition, and prospects - De Verteuil, Louis Antoine Aimé Gaston, 1807 - (Ward and Lock, 1858)

Trinity River Bridges Project : environmental assessment/draft environmental impact report - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, Trinity River Restoration Program, 2003)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1883)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1886)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1904)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1894)

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)

Trypanosomes et trypanosomiases / par A. Laveran et F. Mesnil - Mesnil, Félix 1868 -1938 (1912)

Turner on birds : a short and succinct history of the principal birds noticed by Pliny and Aristotle first published by Doctor William Turner, 1544 - Evans, A. H. (Arthur Humble) (University Press, 1903)

Het tweede deel of vervolg van het wondertooneel der natuur, ofte een korte beschrijvinge zo van bloedelooze, zwemmende, vliegende, kruipende, en viervoetige geklaauwde eijerleggende dieren, als van hoornen, schulpen, koraalen, zee-heesters, metallijkende en in steen veranderde dingen, enz. van de welke een zeer groote meenigte word bevat in de kabinetten van - Vincent, Levinus, 1658 -1727 (gedrukt voor den auteur, en zijn te bekoomen bij Gerard Valk op den Dam, en Joannes van Leeuwen in de Gsthuis-Moolen-steeg, 1715)

Two months on the Guadalquiver - Witherby, H. F. (Harry Forbes), 1873 -1944 ("Knowledge"?, 1899)

Type-specimens of birds in the British Museum (Natural History) - British Museum (Natural History) (BM(NH), 1966)

Type-specimens of birds in the British Museum (Natural History) - British Museum (Natural History) (BM(NH), 1973)

Types of birds in the Tring Museum - Zoological Museum (Tring, England) (1922)

Übersicht der Nester der in Norddeutschland brütenden Vögel - Dahl, Friedrich, 1856 -1929 (1906)

Übersicht der Säugethiere und Vögel der Kola-Halbinsel - Pleske, F. D. (Feodor Dmitrievich), 1858 -1932 (K. Akademie der Wissenschaften, 1886)

Übersicht der Säugethiere und Vogel der Kola-Halbinsel - Pleske, F. D. (Feodor Dmitrievich), 1858 -1932 (Buchdruckerei der Kaiserlichen Akademie der Wissenschaften, 1886)

Über das System und die Charakteristik der natürlichen Familien der Vögel - Fitzinger, Leopold Joseph, 1802 -1884 (Kais. Kön. Hof- und Staatsdruckerei, 1856)

Über die palpen der rhopaloceren : ein beitrag zur erkenntnis der verwandtschaftlichen beziehungen unter den tagfaltern - Reuter, Enzio, 1867 -1951 (Druckerei der Finnischen Litteratur Gesellschaft, 1896)

Uccelli dello scioa e della regione fra zeila e lo scioa - Salvadori, Tommaso, 1835 -1923 (Tip. del Regio istituto sordo-muti, 1884)

Ueber das Leben der hochnordischen Vögel / von Friedrich Faber - Faber, Frederik, 1796 -1828 (E. Fleischer, 1825)

Ueber den Waldbau, mit vorzüglicher Rücksicht auf die Gebirgs-Forste von Deutschland in Notizen und Bemerkungen auf seiner praktischen Laufbahn gesammelt und hrsg. von Ernst Thiersch - Thiersch, Ernst (Fleischer, 1823)

The Uganda protectorate; an attempt to give some description of the physical geography, botany, zoology, anthropology, languages and history of the territories under British protection in East Central Africa, between the Congo Free State and the Rift Valley and between the first degree of south latitude and the fifth degree of north latitude - Johnston, Harry, 1858 -1927 (Hutchinson & Co, 1902)

De uitlandsche kapellen voorkomende in de drie waereld-deelen, Asia, Africa en America - Cramer, Pieter, 1721 -1776 (Chez S. J. Baalde, 1779)

Ukiah Field Office draft resource management plan and draft environmental impact statement - United States. Bureau of Land Management. California State Office. ([U.S. Department of the Interior, Bureau of Land Management, Ukiah Field Office], 2005)

United States Department of Commerce draft environmental impact statement : proposed estuarine sanctuary grant award to the state of Maryland for a Chesapeake Bay estuarine sanctuary - National Ocean Survey. Office of Coastal Zone Management. (The Office, 1981)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1858)

The universe: or, The infinitely great and the infinitely little - Pouchet, F.-A. (Félix-Archimède), 1800 -1872 (C. Scribner, 1870)

The universe; or, The infinitely great and the infinitely little - Pouchet, F.-A. (Félix-Archimède), 1800 -1872 (Blackie, 1874)

The universe, or, The wonders of creation. The infinitely great and the infinitely little - Pouchet, F.-A. (Félix-Archimède), 1800 -1872 (H. Hallett and company, 1883)

University of California publications in zoology - University of California, Berkeley. (University Press, 1910)

University of California publications in zoology - University of California, Berkeley. (University Press, 1912)

University of California publications in zoology - University of California, Berkeley. (University Press, 1913)

University of California publications in zoology - University of California, Berkeley. (University Press, 1914)

University of California publications in zoology - University of California, Berkeley. (University Press, 1919)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1946)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1951)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1954)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1956)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1959)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1965)

Unter den tropen; wanderungen durch Venezuela, am Orinoco, durch Britisch Guyana und am Amazonenstrome in den jahren 1849-1868 - Appun, Carl Ferdinand, 1820 -1872 (1871)

Unterhaltungen aus der Naturgeschichte [4-5] der Vögel, erster [-zweyter] Theil - Wilhelm, Gottlieb Tobias, 1758 -1811 (In der M. Engelbrechtischen Kunsthandlung, 1795)

Untersuchungen aus dem Physiologischen Institute der Universität Heidelberg - Kühne, W. (Willy), 1837 -1900 (C. Winter, 1878)

Untersuchungen über die Fauna Peruana - Humboldt, Alexander von, 1769 -1859 (Scheitlin und Zollikofer, 1844)

Untersuchungen über den Bau des Knöchernen Vogelkopfes - Magnus, Hugo. (Wilhelm Engelmann, 1870)

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 zur Morphologie und Systematik der Vögel, zugleich ein Beitrag zur Anatomie der Stütz- und Bewegungsorgane - Fürbringer, Maximilian, 1846 -1920 (T. van Holkema, 1888)