How about

Bourgeois Blues (Leadbelly)
Bush War Blues (Billy Bragg)
Buddy, Can You Spare A Dime?
Win The War Blues (Sonny Boy Williamson)
Peace To The World (BB King)
That's How I Feel (Brownie McGhee)
I Don't Wanna Go To Vietnam (John Lee Hooker)
Vietcong Blues (Junior Wells)

Iffen ya need more, let me know.