Spenner, Friedrich Karl Leopold Dates of birth and death: 1835 fl. - 1860 fl.
Also known as: F. K. L. S. ; Worked for: Theodor Friedrich Ludwig Nees von Esenbeck (1787-1837) ;
Speri , Friedrich Dates of birth and death: 1926 fl. -
Also known as: F. S. ; Worked for: Zoologische Wandtafeln. Gezeichnet & hrsg. v. Prof. Dr. Paul Pfurtscheller, Vienna ; Zoologische Wandplaten - Zoological wall-plates - Tables murales zoologique (s'Gravenhage after 1926) ;
Sperling, Hieronymus Dates of birth and death: 1695 in Augsburg - 1777
Also known as: H. S. ; Worked for: anatomist Albrecht von Haller ; Johann Jacob Scheuchzer: Physica Sacra, Augsburg (1731-35) & Johann Andreas Pfeffel the Elder (1674-1748) ; Iluminación de las casas del Conde de Montijo en Francfurt (1742) ;
Sperling, Heinrich Dates of birth and death: 1844 in Warnkenhagen - 1924
Also known as: H. S. ; Heinr. Sperling ;Worked for: Hermann Gustav Settegast (1819-1908) ; Vero Kemball Shaw (1xxx-1xxx) ;
Sperling / Heckel, Catharina ° Dates of birth and death: 1699 in Augsburg - 1741
Also known as: C. S. ; née: Katharina Heckel ;Worked for: Johann Jacob Scheuchzer: Physica Sacra (Augsburg 1731-35, pl. in vol. 2 1733) ; Johann Andreas Pfeffel the Elder (1674-1748) ; engr. -> Philipp G. Harder: Biblische Vorstellungen Alt- & Neuen Testaments (no date, w. pl. based on her drawings) ;
Cosmus Conrad Cuno: Observationes durch dessen verfertigte Microscopia deren unterschiedlichen Insecten nebst andern unsichtbaren Kleinigkeiten (Augsburg 1734, reprint w. introd. by Armin Geuss, Marburg 1976)
Speyer, Oskar Wilhelm Carl Dates of birth and death: 1827 in Hersfeld - 1882
Also known as: O. S. ; Oskar Speyer / Oscar Wilh. Karl Speyer ;Worked for: Die Bivalven der Casseler Tertiärbildungen (Berlin 1884) ; Die Conchylien der Casseler Tertiärbildungen (Palaeontographica vol. 16, 1866 & vol. 19, 1871) ; Die ober-oligocänen Tertiärgebilde und deren Fauna im Fürstenthum Lippe–Detmold (Palaeontographica, vol. 16, 1866) ; Die Tertiäfauna von Söllingen bei Jerxheim im Herzogthum Braunschweig (Kassel 1864) ;
Spiller, E. Dates of birth and death: 1880 fl. - 1891 fl.
Also known as: E. S. ; Worked for: John Ednie Brown (1848-1899): The Forest Flora of South Australia (Adelaide: Government Printer, 1882-1891; 9 volumes) ;
