Columbia subject headings:
Roth, Dieter, 1930-1998--Congresses.
Roth, Dieter, 1930-1998--Exhibitions.
Harvard subject headings:
Roth, Dieter, 1930-1998--Congresses.
Roth, Dieter, 1930-1998--Exhibitions.
Princeton subject headings:
Roth, Dieter, 1930---Congresses.