Her college theses was on the genius of Karl Marx.
Barbara Olson wrote about it in “Hell To Pay”, I believe that’s the right book as I read several of hers.
Hillary’s thesis, “There Is Only the Fight” was based on her admiration for Saul Alinsky. It was kept hidden until the Clintons left the White House and only allowed to be seen by researchers since. That’s how we know the little we know about it.