Systema avium Australasianarum = A systematic list of the birds of the Australasian region - American Ornithologists' Union. (British Ornithologists' Union, 1927)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1899)

Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1875)

Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1877)

Three voyages of a naturalist, being an account of many little- known islands in three oceans visited by the "Valhalla," R.Y.S - Crawford, James Ludovic Lindsay, Earl of, 1847 -1913 (Witherby & Co, 1908)

Three voyages of a naturalist : being an account of many little-known islands in three oceans visited by the "Valhalla" R.Y.S - Crawford, James Ludovic Lindsay, Earl of, 1847 -1913 (Witherby & Co, 1908)

Three voyages of a naturalist - Crawford, James Ludovic Lindsay, Earl of, 1847 -1913 (Witherby & co, 1908)

Through Shên-kan : the account of the Clark expedition in north China, 1908-9 - Sowerby, Arthur de Carle, 1885 -1954 (T. F. Unwin, 1912)

Tierleben : allgemeine Kunde des Tierreichs - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1911)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1887)

Tori - Nihon Chogakkai (The Ornithological Society of Japan, 1915)

Transactions and proceedings and report of the Philosophical Society of Adelaide, South Australia - Philosophical Society of Adelaide. (The Society, 1877)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1868)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1869)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1870)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1872)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1873)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1882)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1888)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1890)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1896)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1912)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1909)

Transactions of the Linnean Society of London. Zoology - Linnean Society of London. ([The Society], 1875)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1827)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1890)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1889)

Transactions of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1897)

Transactions of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1898)

Transactions of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1900)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 1948)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 1963)

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, 1874)

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, 1910)

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

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)

Under the African sun; a description of native races in Uganda, sporting adventures and other experiences - Ansorge, William John, 1850 -1913 (Longmans, Green, 1899)

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

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, 1965)

The useful birds of southern Australia : with notes on other birds - Hall, Robert, 1867 -1949 (T.C. Lothian, 1907)

The useful plants of the island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

The useful plants of the Island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

Die Verbreitung der Voegel auf der Erde - Palacký, Jan, 1830 -1908 (Wallishausser'sche K.K. Hof-Buchhandlung, 1885)

Verhandelingen over de natuurlijke geschiedenis der Nederlandsche overzeesche bezittingen - Schlegel, H. (Hermann), 1804 -1884 (In commissie bij. S. en J. Luchtmans en C.C. van der Hoek, 1844)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1872)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1873)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1881)

Verhandlungen der Ornithologischen Gesellschaft in Bayern - Ornithologische Gesellschaft in Bayern. (E. Reinhardt, 1907)

Verhandlungen der Ornithologischen Gesellschaft in Bayern - Ornithologische Gesellschaft in Bayern. (E. Reinhardt, 1912)

Verhandlungen der Ornithologischen Gesellschaft in Bayern - Ornithologische Gesellschaft in Bayern. (E. Reinhardt, 1921)