Ueber den natürlichen Unterschied der Gesichtszüge in Menschen verschiedener Gegenden und verschiedenen Alters.

This work on physiognomy includes Camper’s description of his craniometrical methods. Camper is chiefly remembered for the “facial angle” of his own invention. The book first appeared in Dutch in 1791. English translation in Camper, The works… on the connexion between… anatomy and the arts, London, 1794. Digital facsimile of the 1792 edition from the Bayerische StaatsBibliothek at this link.