More "Drawings as intermediary stages": Dirk Vellert's History of Abraham

by Konowitz, Ellen, Konowitz, Ellen
Published in Journal of Historians of Netherlandish Art (2013)

Dürer und Dirk Vellert

by Konowitz, Ellen, Konowitz, Ellen
Published in Dürer war hier (2021)

Drawings as intermediary stages: some working methods of Dirk Vellert and Albrecht Dürer re-examined

by Konowitz, Ellen
Published in Simiolus (1991)