System of ophthalmology - Duke-Elder, Stewart, Sir, 1898 -1978 (Mosby, 1958)

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

Systema characterum plantarum; seu, Dictionarium rerum botanicum, filio conscriptum, et ab ipso figuris illustratum - Pereboom, Cornelius. (1788)

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)

Systema natvræ per regna tria natvræ : secvndum classes, ordines, genera, species, cvm characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Typis Academicis, 1793)

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)

Systematic catalogue of the eggs of British birds - Malan, S. C. (John van Voorst, 1848)

Systematic notes on the bird family Cracidae. No. 9, The genus Crax - Vaurie, Charles (American Museum of Natural History, 1967)

Systematic results of the study of North American land mammals during the years 1901 and 1902 - Miller, Gerrit S. Jr. (Gerrit Smith), 1869 -1956 (Society of Natural History, 1903)

A systematic review of Sulawesi Bunomys (Muridae, Murinae) with the description of two new species - Musser, Guy G. (American Museum of Natural History, 2014)

Systematic revision of the arboreal Neotropical "thorellii" clade of Centruroides Marx, 1890, bark scorpions (Buthidae C.L. Koch, 1837) with descriptions of six new species - Prendini, Lorenzo (American Museum of Natural History, 2021)

Systematic revision of the Asian forest scorpions (Heterometrinae Simon, 1879), revised suprageneric classification of Scorpionidae Latreille, 1802, and revalidation of Rugodentidae Bastawade et al., 2005 - Prendini, Lorenzo (American Museum of Natural History, 2020)

Systematics and evolution of bats of the genus Glossophaga - Webster, William David (Texas Tech University Press, 1993)

Systematics and evolutionary relationships of spiny pocket mice, genus Liomys - Genoways, Hugh H. (Texas Tech Press], 1973)

Systematics of Middle American mastiff bats of the genus Molossus - Dolan, Patricia G. (Texas Tech University Press, 1989)

The systematics of the genus Didelphis (Marsupialia: Didelphidae) in North and Middle America - Gardner, Alfred L. (Texas Tech Press], 1973)

Systematische Aufzählung der Vögel Würtembergs, mit Angabe ihrer Aufenthaltsörter und ihrer Strichzeit - Landbeck, Christian Ludwig, 1807 -1890 (1834)

Systematische Uebersicht der Thiere Brasiliens : welche während einer Reise durch die Provinzen von Rio de Janeiro und Minas geraës gesammlt oder beobachtet Wurden - Burmeister, Hermann, 1807 -1892 (G. Reimer, 1856)

Systematisches Conchylien-Cabinet - Kobelt, Wilhelm, 1840 -1916 (Bauer und Raspe, 1837)

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

Tabanini of Thailand above Isthmus of Kra (Diptera–Tabanidae) - Burton, John J. S., 1941 - (Entomological Reprint Specialists, 1978)

Tableau des oiseaux observés dans le nord de la France - Degland, Côme Damien, 1787 -1856 (Danel, 1831)

Tableau encyclopédique et méthodique des trois règnes de la nature. Ornithologie - Bonnaterre, Pierre Joseph, abbé, 1752? -1804 (Chez Mme. veuve Agasse, 1823)

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

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

Tagebuch meiner Reise um die Erde : 1892-1893 - Franz Ferdinand, aartshertog van Oostenrijk, 1863 -1914 (Hölder, 1895)

Taros and yautias : promising new food plants for the South - Young, Robert A. (Robert Armstrong), 1876 - (U.S. Dept. of Agriculture, 1924)

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)

Tasmanian friends and foes, feathered, furred, and finned : a family chronicle of country life, natural history, and veritable adventure - Meredith, Louisa Anne, 1812 -1895 (J. Walch & Sons, 1880)

The Tasmanian journal of natural science, agriculture, statistics, &c. Vol. 1-3 (1841-1849) - Royal Society of Van Diemen's Land (Dowling, 1842)

The Tasmanian journal of natural science, agriculture, statistics, &c. Vol. 1-3 (1841-1849) - Royal Society of Van Diemen's Land (Dowling, 1845)

The Tasmanian Naturalist - Tasmanian Field Naturalists' Club (Tasmanian Field Naturalists' Club, 1951)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2021)

Taxonomic report of the International Lepidoptera Survey - Gatrelle, Ronald R. (International Lepidoptera Survey, 2022)

A Taxonomic review of American long-tailed shrews (genera Sorex and Microsorex) - Jackson, Hartley H. T. (Hartley Harrad Thompson), 1881 -1976 (U.S. Govt. Print. Off, 1928)

A taxonomic revision of Schizogenius (Coleoptera : Carabidae : Scaritini) - Whitehead, Donald R. (University of Alberta, Dept. of Entomology, 1971)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2000)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2001)

Telopea: Journal of plant systematics - National Herbarium of New South Wales, (Royal Botanic Garden Sydney, 2003)

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.], 1882)

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

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1900)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1901)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1902)

The Tertiary igneous rocks of Skye - Clough, C. T. (Charles Thomas), 1852 -1916 (Printed for H. M. Stationery off., by J. Hedderwick & sons, 1904)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1952)

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, 1990)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1993)

Text-book of embryology - Kerr, John Graham, 1869 -1957 (MacMillan, 1919)

Text book of vertebrate zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1899)

Text book of vertebrate zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1899)

A text book of veterinary pathology for students and practitioners - Kinsley, A. T. (Albert Thomas), 1877 -1941 (A. Eger, 1916)

Text book of zoology - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Sampson Low, Marston, 1896)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1921)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

Text-book of zoology for junior students - Nicholson, Henry Alleyne, 1844 -1899 (American Book Co, 1885)

Text-book of zoology for junior students - Nicholson, Henry Alleyne, 1844 -1899 (1888)

Text-book of zoology for schools and colleges - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton and Co, 1884)

The Thecosomata and Gymnosomata of the Siboga-expedition - Tesch, J. J. (Johan Jacob), 1877 -1954 (E. J. Brill, 1904)

Thesaurus entomologicus Oxoniensis : or, Illustrations of new, rare, and interesting insects, for the most part contained in the collections presented to the University of Oxford by the Rev. F.W. Hope ... with forty plates from drawings by the author - Westwood, J. O. (John Obadiah), 1805 -1893 (At the Clarendon press, 1874)

Thesaurus literaturae botanicae omnium gentium :inde a rerum botanicarum initiis ad nostra usque tempora, quindecim millia operum recensens - Pritzel, G. A. (Georg August), 1815 -1874 (F. A. Brockhaus, 1851)

Thesaurus litteraturae mycologicae et lichenologicae ratione habita praecipue omnium quae adhuc scripta sunt de mycologia applicata - Lindau, Gustav, 1866 -1923 (Fratres Borntraeger, 1909)

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)