Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2017)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2019)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2020)

Scopus Special Supplement. Special Supplement - East Africa Natural History Society.

Scopus Special Supplement. Special Supplement - East Africa Natural History Society. (2014)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1979)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1980)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1982)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1983)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1984)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1985)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1986)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1987)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1988)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1989)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1990)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1991)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1992)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1993)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1994)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1995)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1996)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1997)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1998)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1999)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2000)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2001)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1960)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1961)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1958)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1962)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1966)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1972)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1974)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1976)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1978)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1980)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1982)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1986)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1993)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1995)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1997)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2002)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2011)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2015)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2016)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1871)

The Scottish naturalist (T. Buncle & Co. [etc.], 1915)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1877)

The Scottish naturalist (T. Buncle & Co. [etc.], 1922)

The Scottish naturalist (T. Buncle & Co. [etc.], 1923)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 1994)

The Scottish naturalist (T. Buncle & Co. [etc.], 1948)

The Scottish naturalist (T. Buncle & Co. [etc.], 1949)

The Scottish naturalist (T. Buncle & Co. [etc.], 1950)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 1998)

The Scottish naturalist (T. Buncle & Co. [etc.], 1951)

The Scottish naturalist (T. Buncle & Co. [etc.], 1954)

The Scottish naturalist (T. Buncle & Co. [etc.], 1956)

The Scottish naturalist (T. Buncle & Co. [etc.], 1957)

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)

Sex and internal secretions - Allen, Edgar, 1892 -1943 (Williams & Wilkins, 1961)

Sitzungsberichte der königl. böhmischen Gesellschaft der Wissenschaften in Prag - Königlich-Böhmische Gesellschaft der Wissenschaften (Königlich-böhmische Gesellschaft der Wissenschaften, 1859)

Sitzungsberichte der Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und StaatsDruckerei in Commission bei W. Braumüller, 1850)

Skandinaviens fugle, med særligt hensyn til Danmark og de nordlige bilande - Grönvold, Henrik, 1858 -1940 (L.A. Jørgensen, 1875)

Sketch-book of British birds - Sharpe, Richard Bowdler, 1847 -1909 (Society for Promoting Christian Knowledge, 1898)

Skizzirte Entwickelungs-Geschichte und natürliches System der europäischen Thierwelt : Erster Theil welcher die Vogelsäugethiere und Vögel nebst Andeutung der Entstehung der letzteren aus Amphibien enthält - Kaup, J. J. (Johann Jacob), 1803 -1873 (In commission bei Carl Wilhelm Leske, 1829)

Skrifter utgit av Videnskapsselskapet i Kristiania. I, Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1914)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1989)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1905)

Societatum litterae (R. Friedländer, 1893)

Somerset archaeology and natural history : the proceedings of the Somerset Archaeological and Natural History Society - Somerset Archaeological; Natural History Society. (Somerset Archaeological and Natural History Society, 1851)

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South African journal of natural history - South African Biological Society. (South African Biological Society, 1921)

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Souvenirs entomologiques ... Études sur l'instinct et les murs des insectes - Fabre, Jean-Henri, 1823 -1915 (C. Delagrave, 1890)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1969)

Sporozoenkunde; ein Leitfaden für Aerzte, Tierärzte, und Zoologen - Wasielewski, Theodor Karl Wilhelm Nicholas von, 1868 - (Fischer, 1896)

The story of our museum : showing how we formed it, and what it taught us - Society for Promoting Christian Knowledge (Great Britain). General Literature Committee. (Society for Promoting Christian Knowledge, 1881)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1875)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1876)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1877)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1878)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1879)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1887)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and co, 1898)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1905)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1932)

Studien und Mikrophotogramme zur Kenntnis der pathogenen Protozoen - Wasielewski, Theodor Karl Wilhelm Nicholas von, 1868 - (Barth, 1904)

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

A study of the incubation periods of birds; what determines their lengths - Bergtold, W. H. (William Harry), 1865 -1956 (The Kendrick-Bellamy co, 1917)

A study of the wildlife of four selected Edmonton ravines and the recreation uses and preferences for city ravines - Spencer, Richard Bruce. (University of Alberta?, 1976)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1962)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1968)

Supplement to The birds of Lincolnshire, 1954-1968 - Cornwallis, R. K. (Richard K.) (Lincolnshire Naturalists' Union, 1970)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

The survey of western Palestine. The fauna and flora of Palestine - Tristram, H. B. (Henry Baker), 1822 -1906 (The Committee of the Palestine Exploration Fund, 1884)

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

Svenska foglarna - Åkerlund, Peter, 1835 -1871 (Tryckt hos J. & A. Riis, 1883)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1904)

Synopsis of the classification of the animal kingdom - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1882)

System der Ornithologie Westafrica's - Hartlaub, Gustav, 1814 -1900 (C. Schünemann, 1857)

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

Systematic notes on Palearctic birds. No. 17, Laniidae - Vaurie, Charles (American Museum of Natural History, 1955)

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

Systematische Darstellung der Fortpflanzung der Vögel Europa's mit Abbildung der Eier - Thienemann, Friedrich August Ludwig, 1793 -1858 (I.A. Barth, 1838)

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 élémentaire d'ornithologie, ou, Histoire naturelle des oiseaux que l'on rencontre communément en France : suivi d'un traité sur la manière de conserver leurs dépouilles pour en former des collections et d'un recueil de 41 planches - GERARDIN, SEBASTIEN, 1751 -1816 (Tournelsen, 1806)

Tableau élémentaire de l'histoire naturelle des animaux - Cuvier, Georges, baron, 1769 -1832 (Baudouin, imprimeur, 1798)

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

Tables méthodiques des oiseaux, observés dans le départment de la Haute-Garonne - Picot de Lapeyrouse, Philippe, baron, 1744 -1818 (Imprimerie de la Veuve Douladore, 1799)

Taschenbuch zum Vogelbestimmen - Floericke, Kurt, 1869 -1934 (Kosmos, 1912)

Territory in bird life - Howard, Henry Eliot, 1873 -1940 (J. Murray, 1920)

Territory in bird life - Howard, Henry Eliot, 1873 -1940 (Murray, 1920)

Territory in bird life - Howard, Henry Eliot, 1873 -1940 (E. P. Dutton, 1920)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and Sons, 1899)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1913)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1899)

Text-book of zoology - Schmeil, O. (Otto), 1860 -1943 (A. and C. Black, 1901)

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

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, 1875)

Thiere der Heimath : Deutschlands Säugethiere und Vögel - Müller, Adolf, 1821 -1910 (Verlag von Theodor Fischer, 1883)

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