I now have my own copy of the translation of Barth's Gespräche for 1959-62, the library wound up with an extra and my librarians like me, and I've been taking it along on Sunday mornings to my wife's internship site.
It's very interesting reading the objections he faces in this era, especially on the question of sin. He says there's basically no other dogmatics that takes it as seriously or treats it so extensively, but because he refuses to threaten with damnation, they don't understand.