"Vervalsing." . . "Faux et supercheries artistiques." . . "Opere d'arte Falsificazioni." . . . . "Painting Forgeries." . . "Pierpont Morgan Library (New York)" . . "Art Forgeries." . . "enluminure faux [catalogue d'exposition]" . . . . . . . . . . . . . "The spanish forger" . "Catalogs"@en . . "The Spanish forger"@en . "The Spanish forger" . . . . . . . . . "The Spanish Forger : published in conjunction with the exhibition held at the Pierpont Morgan Library, 19.5. - 29.7.1978" . . "The Spanish forger : William Woelkle ; assisted by Roger S. Wieck" . . . . . "Tentoonstellingscatalogi (vorm)" . . "The Spanish Forger" . . . "The Spanish Forger : the Pierpont Morgan Library, New York, [1978]" . . . . "Middeleeuwen." . . "Schilderijen." . .