Charles R. Figley 
Stress Disorders Among Vietnam Veterans: Theory, Research [PDF ebook] 

First published in 1978. This book represents a unique accomplishment in pulling together in one place the broadest collection of material yet published on the psychological problems of veterans of the Vietnam war. It will provide not only an important historical document, but an invaluable resource in detailing many of the issues involved. This book should lay to rest many of the misconceptions about the Vietnam Veteran.