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

Systema helminthum / auctore Carolo Mauritio Diesing ... Sumptibus Academiae caesareae scientiarum - Diesing, Karl Moritz, 1800 -1867 (W. Braumüller, 1851)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae von Trattner, 1767)

A systematic catalogue of British vertebrate animals - Jenyns, Leonard, 1800 -1893 (Printed by W. Metcalfe, for J. & J.J. Deighton, and T. Stevenson, and Longman, London, 1835)

A systematic list of the birds of California - Grinnell, Joseph, 1877 -1939 (Cooper Ornithological Club, 1912)

Systematische übersicht der Vögel Bayerns mit Rucksicht auf das örtliche und quantitative Vorkommen der Vögel, ihre Lebensweise, ihren zug und ihre Abänderungen - Blasius, Rudolf, 1842 -1907 (Kommissionsverlag von R. Oldenbourg, 1891)

Systematische Übersicht der Vögel Nord-Ost-Afrika's : mit Einschluss der arabischen Küste des rothen Meeres und der Nil-Quellen-Länder südwärts bis zum 4. Grade nördl. Breite - Heuglin, Theodor von, 1824 -1876 (K. Akademie der Wissenschaften, 1856)

Systematische Uebersicht der Vögel Nord-Ost-Afrika's : nebst Abbildung und Beschreibung von fünfzig Theils unbekannten, Theils noch nicht bildlich dargestellten Arten - Rüppell, Eduard, 1794 -1884 (In Commission der S. Schmerber'schen Buchhandlung (nachfolger H. Keller), 1845)

Systematisches Verzeichniss der naturhistorischen Sammlung der Gesellschaft Museum. Abt. 1, Vögel - Gesellschaft Museum (Bremen, Germany) (C. Schünemann, 1844)

Tableau synoptique de l'ornithologie du Canada classification et nomenclature du "Smithsonian Institution" de Washington - Smithsonian Institution (s.n.], 1864)

Tableaux paralléliques des oiseaux Praecoces ou Autophages (Gallinacés, Échassiers, Palmipèdes et Rudipennes) - Bonaparte, Charles-Lucien, 1803 -1857 (Mallet-Bachelier, 1856)

Tabular list of all the Australian birds at present know to the author - Ramsay, Edward Pearson 1842 -1916 (1888)

Taschenbuch der deutschen Vögelkunde, oder, Kurze Beschreibung aller Vögel Deutschlands - Meyer, Bernhard, 1767 -1836 (Verlegt von Friedrich Wilmans, 1810)

Taschenbuch der deutschen Vögelkunde, oder, Kurze Beschreibung aller Vögel Deutschlands - Meyer, Bernhard, 1767 -1836 (Verlegt von Friedrich Wilmans, 1822)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1974)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1981)

Taylor's standard American egg catalogue : comprising a directory of prominent oölogists and collectors' handbook : a correct basis for the exchange of nests and eggs arranged with margin for check-list - Taylor, Henry Reed, 1866 -1917 (H.R. Taylor, 1904)

Teachers' manual of bird-life : a guide to the study of our common birds - Allen, J. A. (Joel Asaph), 1838 -1921 (D. Appleton and Co, 1899)

Ten years in Sweden : being a description of the landscape, climate, domestic life, forests, mines, agriculture, field sports and fauna of Scandinavia - Wheelwright, H. W. (Horace William) 1815 -1865 (Groombridge and sons, 1865)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1884)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1959)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1972)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2000)

A text-book of zoogeography - Beddard, Frank E. (Frank Evers), 1858 -1925 (University press, 1895)

A text-book of zoogeography - Beddard, Frank E. (Frank Evers), 1858 -1925 (University Press, 1895)

Theatrum universale omnium animalium piscium, avium, quadrupedum, exanguium, aquaticorum, insectorum, et angium [sic] ..., CCLX. tabulis ornatum - Castelli, Pietro, approximately 1575 -approximately 1657 (Prostat apud R. & G. Wetstenios, 1718)

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, 1872)

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)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1821)

Das Thierreich, geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (F.A. Brockhaus, 1831)

Through the Mackenzie Basin : a narrative of the Athabasca and Peace River treaty expedition of 1899 - Mair, Charles, 1838 -1927 (William Briggs, 1908)

Through the Mackenzie basin : a narrative of the Athabasca and Peace River treaty expedition of 1899 - Mair, Charles, 1838 -1927 (William Briggs, 1908)

Through the Mackenzie Basin; a narrative of the Athabasca and Peace River treaty expedition of 1899 - MacFarlane, R. (Roderick), 1833 -1920 (Simpkin, Marshall, Hamilton, Kent & co., limited, 1908)

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

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1899)

Das Tierreich - Heck, Ludwig, 1860 -1951 (W. Pauli, 1894)

Die Tierwelt der Schweiz in der Gegenward und in der Vergangenheit. Band 1, Wirbeltiere - Goeldi, Emílio Augusto, 1859 -1917 (A. Francke, 1914)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1878)

Tori - Nihon Chogakkai (The Ornithological Society of Japan, 1921)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

Traité d'ornithologie, ou, Tableau méthodique des ordres, sous-ordres, familles, tribus, genres, sous-genres et races d'oiseaux : ouvrage entièrement neuf, formant le catalogue le plus complet des espèces réunies dans les collections publiques de la France / par R. P. Lesson - Lesson, René-Primevère, 1794 -1849 (Chez F.G. Levrault, 1831)

Traité élémentaire d'ornithologie : contenant: 1. Les principes et les généralités de cette science; 2. l'analyse du système de Linné sur les oiseaux; 3. la synonymie de Buffon; 4. les caractères des genres; 5. la description et l'histoire des espèces Européenes; suivi de l'art d'empailler les oiseaux : avec dix planches en taille-douce - Mouton-Fontenille de la Clotte, M. J. P. (Marie Jacques Philippe), 1769 -1837 (De l'Imprimerie de J.B. Kindelem, 1811)

Traité élémentaire d'ornithologie : contenant l. Les principes et les généralités de cette science ... ; suivi de L'art d'empailler les oiseaux ... - Mouton-Fontenille de la Clotte, M. J. P. (Marie Jacques Philippe), 1769 -1837 (De l'Imprimerie de J.B. Kindelem, 1811)

Transactions - Cambridge Philosophical Society. (University Press [etc.])

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1893)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1883)

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, 1907)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1908)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1913)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1912)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1907)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1919)

Transactions of the American Philosophical Society - American Philosophical Society. (1863)

Transactions of the Cambridge Philosophical Society - Cambridge Philosophical Society. (1827)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1893)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1877)

Transactions of the East Kent Natural History Society - East Kent Natural History Society. (1885)

Transactions of the Epping Forest and County of Essex Naturalists' Field Club - Epping Forest; County of Essex Naturalists' Field Club. (1880)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1881)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1895)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1897)

Transactions of the Illinois natural history society - Illinois Natural History Society. (1861)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1935)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1946)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1962)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1977)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1985)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2009)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1872)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1901)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1879)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1933)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1955)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1962)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 2007)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1798)

Transactions of the Linnean Society of London. Zoology - Linnean Society of London. ([The Society], 1894)

Transactions of the Linnean Society of London. Zoology - Linnean Society of London. ([The Society], 1889)

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

Transactions of the Maryland Academy of Science and Literature - Maryland Academy of Science; Literature. (The Academy, 1837)

Transactions of the Natural History Society of Glasgow : (including the proceedings of the society) - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1896)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle upon Tyne - Natural History Society of Northumberland, Durham,; Newcastle-upon-Tyne. (Emerson Charnley, and Longman, 1831)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1874)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1896)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1884)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1894)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1993)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1997)

Transactions of the Royal Society of New South Wales - Royal Society of New South Wales (The Society, 1868)

Transactions of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1895)

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