Historical press of the German Social Democrats
→ → Die neue Welt : illustriertes UnterhaltungsblattHaeckel, Ernst
Historical press of the German Social Democrats
→ → Die neue Welt : illustriertes UnterhaltungsblattHaeckel, Ernst
Haeckel, Ernst
born 16. February 1834 in Potsdam; died 9. August 1919 in Jena