1. Courville, C. B. Commotio Cerebri. Cerebral concussion and the postconcussion syndrome in their medical and legal aspects. Los Angeles, San Lucas Press, 1953
2. De Fractura Calvi sive cranei;Berengario da,1937
3. Hamby, W. B. The case reports and autopsy records of Ambroise Paré. Springfield, Thomas, 1960
4. Observations on the nature and consequences of those injuries to which the head is liable from external violence;Pott,1778
5. On injuries of the head;Abernethy,1830