X-radiograph(s) of "Crucifixion", 1383-c. 1447

Artist of original: Masolino

X-radiograph(s) of "St. Francis"

X-radiograph(s) of "George Washington"

X-radiograph(s) of "Madonna and Child"

X-radiograph(s) of "Old Stone Mill", 1755 - 1828

Artist of original: (?) Gilbert Stuart

X-radiograph(s) of "Wolfgang A. von Zweibrucken", 1599 - 1641

Artist of original: Anthony van Dyck

X-radiograph(s) of "Stream with Deer", 1836 - 1892

Artist of original: Alexander Helwig Wyant

X-radiograph(s) of "Portrait of a Man"

X-radiograph(s) of "Portrait of a Lady", 1493 - 1555

Artist of original: Bartholomaeus Bruyn the Elder

X-radiograph(s) of "Lady with a Coif"

X-radiograph(s) of "Portrait of a Dead Man in Bed"

X-radiograph(s) of "Head of Christ", 1425-40 - 1494

Artist of original: Hans Memling

X-radiograph(s) of "Italian Knight"

X-radiograph(s) of "Trinity and St. Jerome"

Artist of original: Master of the Lille Adoration

X-radiograph(s) of "Trinity and St. Jerome"

Artist of original: Master of the Lille Adoration

Sketches of the Ten Kings of Hell (Jūō zu), 1602 - 1674

Kano Tan'yū 狩野探幽

Night Scene, Rotterdam, 1819 - 1891

Johan Barthold Jongkind

Old Man with a Dark Mantle, 1856 - 1925

John Singer Sargent

Study for "Pagan Gods," Boston Public Library, 1856 - 1925

John Singer Sargent

Study for "Frieze of Prophets," Boston Public Library, 1856 - 1925

John Singer Sargent