New York Skyscrapers by Andy Warhol on artnet,Andy Warhol: Philip's Skull, 980 Madison Avenue, New York, April 8–May 22, 1999 | Gagosian,Andy Warhol in New York,ポップアートの巨匠「アンディ・ウォーホル美術館」現地ルポ | TABIZINE~人生に旅心を~,Andy Warhol and Peter Wise, ANDY WARHOL (1928-1987) | Christie's