"USA." . . . "The art dealers : the powers behind the scene ; tell how the art world really works" . . . . "The art dealers the powers behind the scene tell how the art world really works" . . "The art dealers the powers behind the scene tell how the art world really works"@en . . . . . . . . . . . . "The art dealers : the powers behind the scene tell how the art world really works"@en . "The art dealers : the powers behind the scene tell how the art world really works" . "Interviews"@en . "Interviews" . "The art dealers : the powers behind the scene tell how the art world really works : Betty Parsons, Sidney Janis, Tibor de Nagy" . . . . . . . . . . "marché de l'art Etats-Unis 20e s. (2e moitié) [document]" . . . . "Kunsthändler." . . "Marchands d'oeuvres d'art États-Unis Entretiens." . .