Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1916)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1917)

Some new anatomical characters for certain Gramineæ - Holm, Theodor (Herman Theodor), 1854 -1932 (Tuttle, Morehouse & Taylor, 1903)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1926)

Souvenirs entomologiques : études sur l'instinct et les moeurs des insectes - Fabre, Jean-Henri, 1823 -1915 (Librairie Delagrave, 1923)

Souvenirs entomologiques : études sur l'instinct et les moeurs des insectes - Fabre, Jean-Henri, 1823 -1915 (Librairie Delagrave, 1921)

Souvenirs entomologiques : études sur l'instinct et les moeurs des insectes - Fabre, Jean-Henri, 1823 -1915 (Librairie Delagrave, 1924)

Souvenirs entomologiques; études sur l'instinct et les moeurs des insectes - Fabre, Jean-Henri, 1823 -1915 (Delagrave, 1916)

Souvenirs entomologiques ... Études sur l'instinct et les murs des insectes - Fabre, Jean-Henri, 1823 -1915 (C. Delagrave, 1894)

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

Special reports of state geologist, 1860 - Geological Survey of California. (John Wilson & Son, 1880)

Species des hyménoptères d'Europe & d'Algérie - André, Ernest, 1838 -1914 (1886)

Species des hyménoptères d'Europe & d'Algérie - André, Ernest, 1838 -1914 (1891)

The species problem; a symposium presented at the Atlanta meeting of the American Association for the Advancement of Science, December 28-29, 1955 - Mayr, Ernst, 1904 -2005 (1957)

Specimen novam Hymenoptera disponendi methodum exhibens ... - Fallén, Carl Fredrik, 1764 -1830 (litteris Berlingianis, 1813)

The Sphegidae of South Africa - Transvaal Museum (Printed at the University Press, 1922)

Spicilegium florae Maroccanae - Ball, John, 1818 -1889 (Printed by Taylor and Francis, 1878)

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1981)

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1997)

Spolia hymenopterologica - Schulz, W. A. (1908)

Spolia zeylanica - Colombo Museum (Colombo Museum, 1907)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1884)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1886)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

Statiomyidae and succeeding families of the Diptera Brachycera of Great Britain - Verrall, George Henry, 1848 -1911 (Gurney & Jackson,], 1909)

Station bulletin - New Hampshire Agricultural Experiment Station. (Agricultural Experiment Station, University of New Hampshire, 1948)

Status of endangered and threatened sand area species of the Illinois flora - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2011)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1913)

The story of plant life in the British Isles; types of the common natural orders - Horwood, A. R. (Arthur Reginald), 1879 -1937 (J. & A. Churchill, 1914)

The structure of the caryopsis of grasses with reference to their morphology and classification - Kennedy, Patrick Beveridge, 1874 -1930 (Govt. print. off, 1899)

The student's flora of the British islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan, 1884)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

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, 1909)

The study of plants; an introduction to botany and plant ecology - Woodhead, Thomas William (Clarendon Press, 1915)

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, 1986)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1987)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1995)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1969)

A supplement to Baines' Flora of Yorkshire, with a map : part first, the flowering plants and ferns by John Gilbert Baker : part second, the mosses of the county by John Nowell - Baker, John Gilbert, 1834 -1920 (William Pamplin, 1854)

A supplement to F. Hamilton Davey's Flora of Cornwall - Thurston, Edgar, 1855 -1935 (Oscar Blackford, Royal Printeries, 1922)

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)

A survey of Canadian plants in relation to their environment - Adams, John, 1872 -1950 (Canada Dept. of Agriculture, 1927)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1908)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk fanerogamflora - Lindman, C. A. M. (Carl Axel Magnus), 1856 -1928 (P.A. Norstedt, 1918)

Syllabus de Pflanzenfamilien, eine Übersicht über das gesamte Pflanzensystem mit besonderer Berücksichtigung der Medizinalund Nutzpflanzen nebst einer Ubersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1919)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medizinal- und Nutzpflanzen, nebst einer Übersicht über die Florenreiche und Florengebiete der Erde : zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1904)

Syllabus der pflanzenfamilien : eine übersicht über das gesamte pflanzensystem mit berücksichtigung der medizinal- und nutzpflanzen, nebst einer übersicht über die florenreiche und florengebiete der erde, über spezielle und medizinisch-pharmazeutische botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1909)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medicinal- und Nutzpflanzen nebst einer Übersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über specielle und medicinisch-pharmaceutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1903)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1882)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1883)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1884)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1886)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1788)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1889)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1892)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1895)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1902)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1913)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1925)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1928)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1931)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1989)

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 der deutschen und schweizer Flora - Koch, Wilhelm Daniel Joseph, 1771 -1849 (O. R. Reisland, 1892)

Synopsis der mitteleuropaïschen flora - Graebner, Paul, 1871 -1933 (W. Engelmann, 1896)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur : secundum systema Candolleanum digestas, praemissa generum dispositione secundum classes et ordines systematis Linnaeani conscripta - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1837)

Synopsis of the families and genera of the Hymenoptera of America, north of Mexico together with a catalogue of the described species and bibliography - Cresson, E. T. (Ezra Townsend), 1838 -1926 (American Entomological Society?, 1887)

Synopsis of the families and genera of the Hymenoptera of America, north of Mexico, together with a catalogue of the described species, and bibliography - Cresson, E. T. (Ezra Townsend), 1838 -1926 (P.C. Stockhausen, Printer], 1887)

Synopsis plantarum glumacearum - Steudel, Ernst Gottlieb, 1783 -1856 (J. B. Metzler, 1855)

Synopsis plantarum glumacearum - Steudel, Ernst Gottlieb, 1783 -1856 (J.B. Metzler, 1855)

Synopsis plantarum; seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)

Synopsis plantarum :seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)

The system of animate nature - Thomson, J. Arthur (John Arthur), 1861 -1933 (Williams & Norgate, 1920)

The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916 - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Holt and company, 1920)

The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916 - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Holt and Company, 1920)

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

Systema Piezatorum : secundum ordines, genera, species, adiectis synonymis, locis, observationibus, descriptionibus - Fabricius, Johann Christian, 1745 -1808 (Carolum Reichard, 1804)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities. Containing also the references to every English writer on entomology, and to the principal foreign authors. With all the published British genera to the present time - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)