OObservations on ManObservations on Mande David HartleyMateriasPhilosophyEdiciones (2)Observations on Man (2013)Cambridge University Press · inglés · ISBN 9781108063616Observations on man, (1967)G. OlmsMás obras de David HartleyBriefcase on family law1997Observations on manA view of the present evidence for and against Mrs. Stephens's medicines, as a solvent for the stone