Columbia subject headings:
Christian sociology.
Communication--Religious aspects--Christianity.
Working class--Germany (West)
Working class--Religious life--Germany (West)
Harvard subject headings:
Christian sociology.
Communication--Religious aspects--Christianity
Labor--Germany (West)--Religious aspects--Christianity--Case studies.
Labor--Religious aspects--Christianity--Germany (West)--Case studies.
Working class families--Germany (West)--Case studies.
Working class--Germany (West)
Working class--Religious life--Germany (West)
Princeton subject headings: