Columbia subject headings:
Concrete art--Great Britain.
Reynolds, Alan, 1926-2014--Criticism and interpretation.
Harvard subject headings:
Concrete art--Great Britain.
Reynolds, Alan, 1926---Criticism and interpretation.
Reynolds, Alan, 1926-2014--Criticism and interpretation.
Princeton subject headings:
Concrete art--Great Britain.
Reynolds, Alan, 1926---Criticism and interpretation.