Columbia subject headings:
Architecture--Germany--History--20th century.
Architecture--Philosophy.
Church architecture.
Schwarz, Rudolf, 1897-1961.
Harvard subject headings:
Architects--Germany
Architecture, Modern--20th century--Germany.
Architecture, Modern--21st century
Architecture--Philosophy
Church architecture.
Schwarz, Rudolf, 1897-1961
Princeton subject headings:
Architecture, Modern--20th century--Germany.
Architecture--Philosophy.
Church architecture.
Schwarz, Rudolf, 1897-1961--Criticism and interpretation.