The Case books of Dr. John Snow 
edited by Richard H. Ellis. 
 - London  Wellcome Institute for the History of Medicine  1994 
 - lvii,633p., 25cm 
 - (medical history supplement no.14). .
<br/><br/><label>ISBN: </label>0854840613. 
<br/><br/><label>Dewey Class. No.: </label>610.92,  / C23C