Columbia subject headings:
Aesthetics, Japanese--Congresses.
Bonsai--Congresses.
Bonsai--Italy--Rome--Exhibitions.
Gardens, Japanese--Congresses.
Nature (Aesthetics)--Congresses.
Suiseki--Congresses.
Suiseki--Italy--Rome--Exhibitions.
Harvard subject headings:
Aesthetics, Japanese--Congresses.
Bonsai--Congresses.
Bonsai--Italy--Rome--Exhibitions.
Gardens, Japanese--Congresses.
Nature (Aesthetics)--Congresses
Suiseki--Congresses.
Suiseki--Italy--Rome--Exhibitions.
Princeton subject headings:
Aesthetics, Japanese--Congresses.
Bonsai--Congresses.
Bonsai--Italy--Rome--Exhibitions.
Gardens, Japanese--Congresses.
Nature (Aesthetics)--Congresses.
Suiseki--Congresses.
Suiseki--Italy--Rome--Exhibitions.