Columbia subject headings:
Berlin (Germany)--Buildings, structures, etc.
Cathedrals--Conservation and restoration--Germany--Berlin.
Church architecture--Conservation and restoration--Germany--Berlin.
Schwippert, Hans, 1899-1973.
St. Hedwigs-Kathedrale (Berlin, Germany)
Harvard subject headings:
Berlin (Germany)--Buildings, structures, etc.
Cathedrals--Germany--Berlin.
St. Hedwigs-Kathedrale (Berlin, Germany)
Princeton subject headings:
Berlin (Germany)--Buildings, structures, etc.
Cathedrals--Conservation and restoration--Germany--Berlin.
Church architecture--Conservation and restoration--Germany--Berlin.
Schwippert, Hans, 1899-1973.
St. Hedwigs-Kathedrale (Berlin, Germany)