Columbia subject headings:
Ader, Bas Jan, 1942-1975.
Artists--20th century.
Arts, American--20th century.
Harvard subject headings:
Ader, Bas Jan, 1942-1975. In search of the miraculous.
Conceptual art--United States.
Princeton subject headings:
Ader, Bas Jan, 1942-1975.
Artists--20th century.
Arts, American--20th century.