"Alongside his own production of visual poetry, which took the form of silkscreen prints as well as inscribed objects, Finlay was significant for his involvement in the 'small press' publishing activities associated with the alternative poetry...
"Whilst clearly representing a critique of free expression, Lichtenstein's 'brushstrokes', like most of his other Pop works, had an exact comic-book source. They initially derived from a strip entitled 'The Painting' published in Charlton...
"Polke's work frequently juxtaposes images wrenched from different periods of history. At the bottom left he makes use of a collage by the early twentieth-century Surrealist Max Ernst, whilst the central image derives from a satirical etching...