Piper, J. (1963). John Piper - recent work: March - April 1963 / Marlborough Fine Art Limited.
Lua i Stíl Chicago (17ú heag.)Piper, John. John Piper - Recent Work: March - April 1963 / Marlborough Fine Art Limited. London, 1963.
Lua MLA (8ú heag.)Piper, John. John Piper - Recent Work: March - April 1963 / Marlborough Fine Art Limited. 1963.
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