An inquiry into the cause of natural death, or, Death from old age: developing a new and certain method of preventing the consolidation or ossification of the body, and of thus indefinitely prolonging vigorous, elastic and bouyant health, and of rendering parturition easy and safe

An inquiry into the cause of natural death, or, Death from old age: developing a new and certain method of preventing the consolidation or ossification of the body, and of thus indefinitely prolonging vigorous, elastic and bouyant health, and of rendering parturition easy and safe