History books are organized by the Library of Congress Classification System.
Books on the Vietnam War are located in:
DS 531 - DS 560.72
Try these search terms in the library catalog (books),Google Scholar (articles), or library megasearch(books + articles):
Stimson Library | US Army MEDCoE
BLDG 2840 STE 106 3630 Stanley Road JBSA Fort Sam Houston, TX 78234-6160
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