Travels in the interior of southern Africa - Burchell, William J. (William John), 1781 -1863 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1822)

Travels in the interior of southern Africa - Burchell, William J. (William John), 1781 -1863 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1824)

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. Debrett, 1800)

Travels into the interior of southern Africa : in which are described the character and the condition of the Dutch colonists of the Cape of Good Hope, and of the several tribes of natives beyond its limits : the natural history of such subjects as occurred in the animal, mineral and vegetable kingdoms; and the geography of the southern extremity of Africa : comprehending also a topographical and statistical sketch of Cape Colony; with an inquiry into its importance as a naval and military station, as a commercial emporium; as a territorial possession - Barrow, John, Sir, 1764 -1848 (Printed for T. Cadell and W. Davis, 1806)

Travels, or, observations relating to several parts of Barbary and the Levant - Shaw, Thomas, 1694 -1751 (Printed at the Theatre, 1738)

Travels, or Observations relating to several parts of Barbary and the Levant - Shaw, Thomas, 1694 -1751 (Printed at the Theatre, 1738)

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)

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), 1973)

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

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

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

Untersuchungen u¨ber die Entwickelung und den Ko¨rperbau der Krokodile - Rathke, Heinrich, 1793 -1860 (F. Vieweg, 1866)

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 über nicht celluläre Organismen : namentlich Crustaceen-Panzer, Mollusken-Schalen und Eihüllen / von W. von Nathusius-Königsborn - Nathusius, Wilhelm von, 1821 -1899 (Wiegandt, Hempel & Parey, 1877)

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