Columbia subject headings:
Harvard subject headings:
Leuenberger Konkordie.
Leuenberger Konkordienentwurf.
Lutheran Church--Germany--History--20th century.
Lutheran Church--Relations--Reformed Church
Reformed Church--Relations--Lutheran Church
Princeton subject headings:
Church--History of doctrines--20th century.
Ecumenical movement.
Intercommunion.
Theology, Lutheran--Germany.