1st Battalion, 3rd Marines, 3rd Marine Division
http://www.onethreemarines.com/
Dereliction of Duty: Johnson, McNamara, the Joint Chiefs of Staff
https://www.amazon.com/Dereliction-Duty-Johnson-McNamara-Chiefs-ebook/dp/B004HW7834
McNamara’s Wall
http://www.u-s-history.com/pages/h1887.html
Operation Ranch Hand – History Channel
http://www.history.com/topics/vietnam-war/agent-orange
The M-16 in Vietnam – by Christopher R. Bartocci
http://www.smallarmsreview.com/display.article.cfm?idarticles=1735
By Patrick Blake