Simon & Garfunkel's "RICHARD CORY"
Lots of Phil Ochs songs - a good one - HERE'S TO THE STATE OF RICHARD NIXON"
several Malvina Reynolds songs - "IT ISN'T NICE", "THE DEVIL'S BAPTIZIN'", etc.
Tom Paxton's "THERE GOES THE MOUNTAIN"
Judy Fjiell-"SCARS ON THE LAND"
Holly Near - "WATCH OUT" and "FIGHT BACK" and others
Leonard Cohen-"STORY OF ISAAC"
the original Irish version of "JOHNNY I HARDLY KNEW YE"
Christine Lavin's "MUSICAL APOLOGY"
"BROTHER, CAN YOU SPARE A DIME?"
Woody's "DEPORTEES" (among others)
I could go on...