Columbia subject headings:
Barmen (Wuppertal, Germany)--Ethnic relations.
Christianity and other religions--Judaism.
Jews--Germany--Barmen (Wuppertal)--History.
Judaism--Relations--Christianity.
Harvard subject headings:
Barmer Theologische Erklärung.
Christianity and other religions--Judaism
Germany--Religion--20th century.
Judaism--Relations--Christianity
Princeton subject headings: