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 comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan, 1880)

A treatise on comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan and Co, 1885)

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)

Triassic life of the Connecticut valley - Lull, Richard Swann, 1867 -1957 (Printed for the State geological and natural history survey, 1915)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1882)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1900)

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

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)

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)

Turner on birds - Evans, A. H. (Arthur Humble) (University press, 1903)

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)

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)

Über zwei verschiedene Typen in dem Bau der erectilen männlichen Geschlechts-Organe bei den strafssartigen Vögeln und über die Entwickelungsformen dieser Organe unter den Wirbelthieren überhaupt - Müller, Johannes, 1801 -1858 (K. Akademie der Wissenschaften, 1838)

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)

Ueber die Funktion der oberflaechlichen Schleimbildungen im Pflanzenreiche - Hunger, Wilhelm. (Buchhandlung und Druckerei Vormals E.J. Brill, 1899)

Ueber Nervencentren an den Gebärorganen der Vögel, Reptilien und Amphibien : eine vergleichend-anatomische Studie - Royal College of Physicians of Edinburgh. (H. Laakmann, 1894)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1963)

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

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