Spencer. Jena. Translated and published in the Contemporary Review, 1893. The all-sufficiency of natural selection. A reply to Herbert Spencer. Contemporary Review 64: 309-338 1902. Vorträge über Deszendenztheorie: Gehalten an der Universität zu Freiburg im Breisgau. Fischer, Jena. 2 volums References Sources Löther, Rolf 1990. Wegbereiter der Genetik: Gregor Johann Mendel und August Weismann. Verlag Harri Deutsch, Frankfurt am Main. Risler H. 1968. August Weismann 1834–1914. In: Berichte der Naturforschenden Gesellschaft Freiburg im Breisgau. 77–93 Risler H. 1985. August Weismanns Leben und Wirken nach Dokumenten aus seinem Nachlass. In: Freiburger Universitätsblätter Heft 87/88, Freiburg. 23–42 Romanes, George John 1893. An Examination of Weismannism. London, Longmans. External links Biography, bibliography and access to digital sources in the Virtual Laboratory of the Max Planck Institute for the History of Science 1834 births 1914 deaths Critics of Lamarckism 19th-century German zoologists German geneticists Evolutionary biologists Scientists from Frankfurt Foreign Members of the Royal Society Foreign associates of the National Academy of Sciences