British children's writer and amateur astronomer Agnes Giberne publishes the popular illustrated book Sun, Moon and Stars: Astronomy for Beginners which sells 24,000 copies on both sides of the Atlantic in twenty years.[1]
Gottlob Frege publishes Begriffsschrift, eine der arithmetischen nachgebildete Formelsprache des reinen Denkens ("Concept-Script: A Formal Language for Pure Thought Modeled on that of Arithmetic") in Halle, a significant text in the development of mathematical logic.
^Chapman, Allan (1999). The Victorian Amateur Astronomer: Independent Astronomical Research in Britain 1820-1920. Chichester: John Wiley. ISBN0-471-96257-0.
^Dokuchaev, V.V. (1879). Short Historical Description and Critical Analysis of the More Important Soil Classifications. Trav. Soc. Nat. St. Petersburg10: 64-67 (In Russian); Tchernozeme (terre noire) de la Russie d‘Europe. St. Petersburg: Société Impériale Libre Économique.
^von Winiwarter, F. (1879). "Ueber eine eigenthumliche Form von Endarteriitis und Endophlebitis mit Gangran des Fusses". Archiv für Klinische Chirurgie. 23: 202–26.