Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Sauerland--Guidebooks.
Art--Germany--Sauerland--Guidebooks.
Sauerland (Germany)--Guidebooks.
Princeton subject headings:
Architecture--Germany--Sauerland--Guidebooks.
Art, German--Germany--Sauerland--Guidebooks.
Sauerland (Germany)--Guidebooks.