Columbia subject headings:
Public baths--Germany--Design.
Sauna--Germany--Design.
Swimming pools--Germany--Design.
Harvard subject headings:
Architectural photography.
Art Nouveau (Architecture)--Germany.
Photography of interiors
Public baths--Germany
Swimming pools--Germany.
Princeton subject headings:
Public baths--Germany--Design.
Sauna--Germany--Design.
Swimming pools--Germany--Design.