Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1890)

Report on the migration of birds - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (1885)

Report on the migration of birds in the spring and autumn of 1885 - Harvie-Brown, J. A. (John Alexander), 1844 -1916 (M' Farlane and Erskine, 1885)

Report on the ornithology of the Death Valley Expedition of 1891 - United States. Bureau of Biological Survey. (U.S. G.P.O.?], 1893)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1927)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1904)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1927)

Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

A review of the progress of mathematical and physical science in more recent times and particulary between the years 1775 and 1850 : being one of the dissertations to the eighth edition of the Encyclopaedia Britannica - Forbes, James David, 1809 -1868 (Adam and Black, 1858)

A revised catalogue of the birds of China and its islands, with descriptions of new species, references to former notes, and occasional remarks - Swinhoe, Robert, 1836 -1877 (1871)

A revised catalogue of the birds of Kansas : with descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

A revised catalogue of the birds of Kansas. With descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1921)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1902)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1904)

Revista do Museu Paulista - Museu Paulista (O Museu, 1936)

Revue d'histoire naturelle appliquée. Deuxième partie. l'Oiseau - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1922)

Revue d'histoire naturelle appliquée. Deuxième partie. l'Oiseau - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1923)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1888)

Revue des sciences naturelles (1879)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1911)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1919)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1894)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1918)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1970)

Rhea - Thienemann, Friedrich August Ludwig, 1793 -1858 (F.A. Brockhaus, 1846)

Riverby - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1895)

The Riverside natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (Houghton, Mifflin and company, 1888)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1892)

Roosevelt wild life annals - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (Roosevelt Wild Life Forest Experiment Station, 1932)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1929)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1935)

Rough notes on the Birds observed during twenty-five years shooting and collecting in the British Islands - Booth, Edward Thomas, 1840 -1890 (1881)

Der rupsen begin, voedzel en wonderbaare verandering : waar in de oorspronk, spys en gestaltverwisseling : als ook de tyd, plaats en eigenschappen der rupsen, wormen, kapellen, uiltjes, vliegen, en andere diergelyke bloedelooze beesjes vertoond word : ten dienst van alle liefhebbers der insecten, kruiden, bloemen en gewassen : ook schilders, borduurders &c. : naauwkeurig onderzogt, na 't leven geschildert, in print gebragt, eu in 't kort beschreven - Merian, Maria Sibylla, 1647 -1717 (Gedrukt voor den auteur ... Als mede by Gerard Valk, 1713)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1849)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2016)

Die Säugethiere, Vögel und Amphibien nach ihrer geographischen Verbreitung tabellarisch zusammengestellt - Pompper, Hermann (Verlag der J.G. Hinrichsichen Buchhandlung, 1841)

Die Säugthiere und Vögel Baierns; zum gebrauch als Taschenbuch - Koch, C. L. (Carl Ludwig), 1778 -1857 (Steinische Buchhandlung, 1816)

Schreibers kleiner Atlas der einheimischen Vögel (J.F. Schreiber)

Schweizerische Blätter für Ornithologie : Geflügel-Tauben- und Kaninchenzucht - Schweizerischer Geflügelzucht-Verein. (Schweizerischer Geflügelzucht-Verein, 1917)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science bulletin - Brooklyn Museum. (Published by the MacMillan Co. for the Institute, 1913)

Scotia illustrata sive Prodromus historiæ naturalis in quo regionis natura, incolarum ingenia & mores, morbi iisque medendi methodus, & medicina indigena accurratè explicantur ... - Colmarius, Johannes (Edinburgh) (ex officinâ typographicâ Jacobi Kniblo, Josuæ Solingensis & Johannis Colmarii, sumptibus auctoris, 1684)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (1895)

The sequence of plumages and moults of the passerine birds of New York - Dwight, Jonathan, Jr., 1858 -1929 (New York Academy of Sciences, 1900)

A serological and ectoparasite survey of migratory birds in northeast Africa; final report - Watson, George E. (George Elder),‏ ‎ 1931 - (Dept. of Vertebrate Zoology, Smithsonian Institution, 1972)

sheng wu ming cheng he sheng wu xue shu yu de ci yuan - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (ke xue chu ban she, 1979)

Signs and seasons - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1895)

Die Singvögel der Heimat - Kleinschmidt, Otto, 1870 - (Quelle & Meyer, 1921)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn, 1853)

Skandinavisk fauna - Nilsson, Sven, 1787 -1883 (Tryckt uti Borlingska Boktryckeriet, 1820)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1904)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1924)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1940)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1951)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1956)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1962)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1984)

South African journal of natural history - South African Biological Society. (South African Biological Society, 1918)

Special papers - Ohio Academy of Science. (The Academy, 1903)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1970)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1976)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1979)

Species taxa of North American birds; a contribution to comparative systematics - Mayr, Ernst, 1904 -2005 (The Club, 1970)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1885)

Studies in bird migration - Clarke, William Eagle, 1853 -1938 (Gurney and Jackson; [etc., etc.], 1912)

Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University - Beecher, Charles Emerson, 1856 -1904 (C. Scribner, 1901)

Studies of tropical American birds - Nuttall Ornithological Club. (The Club, 1972)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1981)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2009)

Supplement to the code of nomenclature and check-list of North American birds 1-17 - American Ornithologists' Union. (The Union, 1912)

Supplement to the code of nomenclature and check-list of North American birds 1-17 - American Ornithologists' Union. (The Union, 1899)

Supplement to the General synopsis of birds - Latham, John, 1740 -1837 (Printed for Leigh & Sotheby, 1787)

Sur la flore de la Serra do Itatiaya au Brésil - Dusén, P. (Per), 1855 -1926 (Imprensa Nacional, 1905)

Svenska foglarna - Åkerlund, Peter, 1835 -1871 (Tryckt hos J. & A. Riis, 1856)

Synonomik der europäischen Brutvögel und Gäste : systematisches Verzeichniss nebst Angaben über die geographische Verbreitung der Arten unter besonderer Berücksichtigung der Brutverhältnisse - Rey, Eugène, 1838 -1909 (G. Schwetschke'scher Verlag, 1872)

Synonymia botanica locupletissima generum, sectionum vel subgenerum ad finem anni 1858 promulgatorum : In forma conspectus systematici totius regni vegetabilis schemati Endlicheriano adaptati - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischer, 1870)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1902)

Synopsis methodica stirpium Britannicarum : in qua tum notae generum characteristicae traduntur, tum species singulae breviter describuntur: ducentae quinquaginta plus minus novae species partim suis locis inseruntur, partim in appendice seorsim exhibentur : cum indice & virium epitome - Ray, John, 1627 -1705 (Prostant apud Sam. Smith ad insignia principis in coemeterio D. Pauli, 1690)

Synopsis of the contents of the British Museum - British Museum (Woodfall, 1842)

A synoptical catalogue of British birds; intended to identify the species mentioned by different names in several catalogues already extant. Forming a book of reference to Observations on British ornithology - Forster, T. (Thomas), 1789 -1860 (Printed by and for Nichols, son, and Bentley, 1817)

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)

Systema natvrae per regni tria natvrae secvndvm classes, ordines, genera, species, cvm characteribvs, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Io. Iac. Cvrt, 1760)

Systema venosum avium cum eo mammalium et inprimis hominis collatum : commentatio anatomica a gratioso medicorum ordine in literarum universitate Vratislaviensi D. III. M. Aug. A. MDCCCXLIV praemio ornata - Henry & Cohen, (Eduard Weber?, 1845)

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)

Systematische Aufzählung der Vögel Würtembergs, mit Angabe ihrer Aufenthaltsörter und ihrer Strichzeit - Landbek, Chr. Lu. (1834)

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)

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

Tableau encyclopédique et méthodique des trois regnes de la nature Ichthyologie - Bonnaterre, Pierre Joseph, abbé, 1752? -1804 (Chez Panckoucke, 1788)

Tabula affinitatum animalium olim academico specimine edita : nunc uberiore commentario illustrata cum annotationibus ad historiam naturalem animalium augendam facientibus - Hermann, Johann, 1738 -1800 (Impensis Joh. Georgii Treuttel, Bibliopolae, 1783)

A tabular view of the external characters of four classes of animals, which Linné arranged under insecta; with the distribution of the genera composing three of these classes into orders ..., and descriptions of several new genera and species - Leach, William Elford, 1790 -1836 (1814)

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

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

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, 1977)

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

Theatrum botanicum = the theater of plants : or, An herball of a large extent ... - Parkinson, John, 1567 -1650 (Printed by Tho. Cotes, 1640)

The Thelephoraceae of North America - Burt, E. A. (Edward Angus), 1859 -1939 (Missouri Botanical Garden, 1914)

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)

Das Thierreich in seinen Hauptformen systematisch beschrieben - Kaup, J. J. (Johann Jacob), 1803 -1873 (Diehl, 1835)

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

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

Tirocinium botanicum Edinburgense - Alston, Charles, 1683 -1760 (Typis W. Sands, A. Murray, & J. Cochran, 1753)

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

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 ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1897)

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

Transactions of the Cambridge Philosophical Society - Cambridge Philosophical Society. (1830)

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

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

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1888)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1901)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1885)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1937)

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

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

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], 1875)