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, 1877)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1886)

Transactions - Ottawa Field-Naturalists' Club - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1885)

Travels in Upper and Lower Egypt: undertaken by order of the old government of France - Sonnini, C. S. (Charles Sigisbert), 1751 -1812 (Printed for J. Stockdale, 1807)

Travels of a naturalist in northern Europe, Norway, 1871, Archangel, 1872, Petchora, 1875 - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (T. F. Unwin, 1905)

Travels through North and South Carolina, Georgia, East and West Florida, the Cherokee country, the extensive territories of the Muscogulges or Creek confederacy, and the country of the Chactaws : containing an account of the soil and natural productions of those regions : together with observations on the manners of the Indians : embellished with copper-plates - Bartram, William, 1739 -1823 (Printed by James and Johnson, 1792)

Travels through North and South Carolina, Georgia, East and West Florida, the Cherokee country, the extensive territories of the Muscogulges, or Creek confederacy, and the country of the Chactaws : containing an account of the soil and natural productions of those regions : together with observations on the manners of the Indians : embellished with copper-plates - Bartram, William, 1739 -1823 (For J. Moore, W. Jones, R. McAllister, and J. Rice, 1793)

Travels through North and South Carolina, Georgia, east and west Florida, the Cherokee country, the extensive territories of the Muscogulges, or Creek confederacy, and the country of the Chactaws : containing an account of the soil and natural productions of those regions : together with observations on the manners of the Indians : embellished with copper-plates - Bartram, William, 1739 -1823 (Reprinted for J. Johnson in St. Paul's church-yard, 1794)

Travels through North and South Carolina, Georgia, east and west Florida, the Cherokee country, the extensive territories of the Muscogulges, or Creek confederacy, and the country of the Chactaws : containing an account of the soil and natural productions of those regions : together with observations on the manners of the Indians : embellished with copper-plates - Bartram, William, 1739 -1823 (Printed by James and Johnson, 1791, 1794)

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 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)

Trespassers; showing how the inhabitants of earth, air, and water are enabled to trespass on domains not their own - Wood, J. G. (John George), 1827 -1889 (Seeley, Jackson and Halliday, 1875)

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

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

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 bird-lovers in Mexico - Beebe, William, 1877 -1962 (Houghton, Mifflin, 1905)

Type and figured specimens of fossil vertebrates in the collection of the University of Kansas Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1986)

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

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 Aussterben der Thierarten in physiologischer und nicht physiologischer Hinsicht überhaupt u. s. w - Baer, Karl Ernst von, 1792 -1876 (s.n.], 1863)

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

Über die Entstehung der Arten im Thier- und Pflanzen-Reich durch natürliche Züchtung, oder, Erhaltung der vervollkommneten Rassen im Kampfe um's Daseyn : nach der dritten Englischen Auflage und mit neueren Zusätzen des Verfassers für diese deutsche Ausgabe - Darwin, Charles, 1809 -1882 (E. Schweizerbart'sche Verlagshandlung, 1863)

Über Entwickelungsgeschichte der Thiere : Beobachtung und Reflexion - Baer, Karl Ernst von, 1792 -1876 (Bei den Gebrüdern Bornträger, 1828)

Über Entwickelungsgeschichte der Thiere. Beobachtung und Reflexion - Baer, Karl Ernst von, 1792 -1876 (Bei den Gebrüdern Bornträger, 1828)

Ueber Archaeopteryx - Dames, W. (Wilhelm), 1843 -1898 (G. Reimer, 1884)

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

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

University of California publications in zoology - University of California, Berkeley. (University Press, 1908)

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

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)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1944)

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

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

Untersuchungen über die Verbreitung des Tigers (Felis tigris) und seine Beziehungen zur Menschheit : ein Sendschreiben an den Herrn Baron A. v. Humboldt - Brandt, Johann-Friedrich, 1802 -1879 (Buchdr. der Kaiserlichen Akademie der Wissenschaften, 1856)

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