A history of the conceptions of limits and fluxions in Great Britain : from Newton to Woodhouse Q Science
Generelle Morphologie der Organismen : allgemeine Grundzüge der organischen Formen-Wissenschaft, mechanisch begründet durch die von Charles Darwin reformirte Descendenz-Theorie Q Science
On centenarians; and the duration of the human race : a fresh and authentic enquiry; with historical notes, criticisms, and speculations Q Science
