Digital Karl Barth Library
The current release features the English translation of Barth's magnum opus, The Church Dogmatics, in its entirety. The original German version, Die kirchliche Dogmatik, is also included as are the first 45 volumes of Barth's Gesamtausgabe, which includes hundreds of letters, sermons, lectures, conversations, and academic writings. These volumes are supplemented by seven additional German works that have not yet been published as part of the Gesamtausgabe and English translations of thirteen important texts by Barth.
Link to resource:
Digital Karl Barth Library