Synopsis der Lepidopteren-Fauna Böhmens. 1. Abth.: Papilioniden, S]hingiden, Bombyciden, Noctuiden - Nickerl, Franz Anton, 1813 -1871 (F. Erhlich, 1850)

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

Synopsis des Hémiptères-Hétéroptères de France - Puton, A. (Auguste), 1834 -1913 (1878)

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 florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur. Index generum, specierum et synonymorum - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1838)

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 plantarum in flora Gallica descriptarum - Candolle, Augustin Pyramus de, 1778 -1841 (Apud H. Agasse, 1806)

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, 1847)

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 vascularium Montis Pollini - Terracciano, Nicola. (Tipografia della R. Accademia dei Lincei, 1890)

Synopsis plantarum,seu Enchiridium botanicum, complectens enumerationem systematicam specierum hucusque cognitarum - Persoon, C. H. (Christiaan Hendrik), 1755 -1837 (C.F. Cramerum, 1807)

A synoptical compend of British botany ... arranged after the Linnean system - Galpine, John Kingston, 1806 (S. Bagster, 1820)

A synoptical compend of British botany ... arranged after the Linnean system - Galpine, John Kingston, 1806 (S. Bagster, 1834)

A system of physiological botany - Keith, Patrick, 1769 -1840 (Printed for Baldwin, Cradock, and Joy, 1816)

A system of vegetables. According to their classes, orders, genera, species, with their characters and differences ... - Linné, Carl von, 1707 -1778 (Printed by J. Jackson for Leigh and Sotheby, 1783)

A system of vegetables, according to their classes, orders, genera, species, with their characters and differences ... - Linné, Carl von, 1707 -1778 (Printed by J. Jackson for Leigh and Sotheby, 1782)

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

Systema Geometrarum zonae temperatioris septentrionalis = Systematische Bearbeitung der Spanner der nördlichen gemässigten Zone - Gumppenberg, Carl, Freiherr von, 1833 -1893 (E. Blochmann, 1887)

Systema Geometrarum zonae temperatioris septentrionalis = Systematische Bearbeitung der Spanner der nördlichen gemässigten Zone - Gumppenberg, Carl, Freiherr von, 1833 -1893 (E. Blochmann, 1890)

Systema naturæ in quo naturae regna tria, secundum classes, ordines, genera, species, systematice, proponuntur - Linné, Carl von, 1707 -1778 (Apud G. Kiesewetter, 1740)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1770)

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 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 plantarum Europae, exhibens characteres naturales generum, characteres essentiales generum & specierum, synonima antiquorum, phrases specificas recentiorum Halleri, Scopoli, &c. Descriptiones rariorum, nec-non floras tres novas, Lugdunaeam, Delphinalem, Lithuanicam, non omissis plantis exoticis in hortis Europae vulgo obviis - Linné, Carl von, 1707 -1778 (Sumptibus Piestre & Delamolliere, 1785)

Systema plantarum a staminum situ. Secundum classes, ordines et genera, cum characteribus essentialibus - Gleditsch, Johann Gottlieb, 1714 -1786 (Haude et Spener, 1764)

A systematic arrangement of British plants - Withering, William, 1741 -1799 (Printed for Adam Scott, 1845)

A systematic arrangement of British plants - Withering, William, 1741 -1799 (Printed for Adam Scott, 1848)

A systematic arrangement of British plants - Withering, William, 1741 -1799 (Printed for Scott, Webster, and Geary, 1841)

A systematic arrangement of British plants :with an easy introduction to the study of botany - Withering, William, 1741 -1799 (Printed for T. Cadell, jun [etc.], 1801)

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)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

Systematisch-alphabetisches Verzeichniss aller bisher bey den Fürbildungen zur Sammlung europäischer Schmetterlinge : angegebenen Gattungsbenennungen : mit Vormerkung auch augsburgischer Gattungen - Hübner, Jacob, 1761 -1826 (Bey dem Verfasser zu Finden, 1822)

Systematische Bearbeitung der Schmetterlinge von Europa, zugleich als Text, Revision und Supplement zu Jakob Hübner's Sammlung europäischer Schmetterlinge - Hübner, Jacob, 1761 -1826 (In Commission bei G. J. Manz, 1843)

Systematische Beschreibung der europäischen Schmetterlinge; : mit Abbildungen auf Steintafeln - Meigen, Johann Wilhelm, 1764 -1845 (Berlag von J.A. Mayer, 1829)

Systematische Beschreibung der in Österreich wildwachsenden und kultivirten Medicinal-Pflanzen. Für Ärzte und Apotheker - Maly, Josef Karl, 1797 -1866 (Wilhelm Braumüller, 1863)

Systematisches Verzeichniss wilder Pflanzen die in der Nähe und umliegenden Gegend von Jena wachsen - Graumüller, Johann Christian Friedrich, 1770 -1824 (In der Akademischen Buchh, 1803)

Système des plantes : contenant les classes, ordres, genres et espèces; les caractères naturels et essentiels des genres; les phrases charactéristiques des espèces; la citation des meilleures figures; le climat et le lieu natal des plantes; l'époque de leur floraison; leurs propriétés et leurs usages dans les arts, dans l'économie rurale et la médecine - Linné, Carl von, 1707 -1778 (Chez Bruyset aîné et Buynand, 1804)