Title: Underdrawing in paintings of the Rogier van der Weyden and Master of Flémalle groups
Subjects: Criticism and interpretation, Dutch Painting, Expertising, Flemish Painting, Painting, Radiography, Underdrawing, History, Schilderkunst, Ondertekeningen (schilderkunst)
People: Maître de Flémalle (15th century), Rogier van der Weyden (1399 or 1400-1464)
Time periods: 15th century