Columbia subject headings:
Eschatology--History of doctrines--20th century.
Eschatology--Sermons--History and criticism.
Protestant churches--Germany--Doctrines--History--20th century.
Sermons, German--History and criticism.
Harvard subject headings:
Eschatology--History of doctrines--20th century.
Eschatology--Sermons--History and criticism.
Eschatology--Sermons.
Preaching
Protestant churches--Germany--Doctrines--History--20th century.
Sermons, German--History and criticism.
Princeton subject headings: