Columbia subject headings:
Castles--Sweden.
Gardens--Sweden.
Landscape gardening--Sweden.
Svenska Arkitekturminnesföreningen.
Harvard subject headings:
Castles--Sweden
Gardens--Sweden
Landscape gardening--Sweden.
Svenska Arkitekturminnesföreningen.
Princeton subject headings:
Castles--Sweden.
Gardens--Sweden.
Landscape gardening--Sweden.
Svenska Arkitekturminnesföreningen