Joseph Carson, A History of the Medical Department of the University of Pennsylvania (1869)
“ Thirty years of active practice had made him familiar with disease in its varied forms, and had led him to reject as useless that which was merely speculative in medicine, while it enabled him to speak with authority of all that was valuable in our science. Thoroughly familiar with medical literature, he had also studied disease in the great book of nature, at the bedside in private practice, and in the wards of hospitals. ”
