X-radiograph(s) of "Philip IV (copy)", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez

X-radiograph(s) of "Maria Theresa (?)", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez

X-radiograph(s) of "Mariana of Austria", 1599 - 1660

Artist of original: School of Diego Rodriguez Velázquez

X-radiograph(s) of "Count of Olivarez", 1599 - 1660

Artist of original: School of Diego Rodriguez Velázquez

X-radiograph(s) of "Portrait of Velazquez", 1599 - 1660

Artist of original: School of Diego Rodriguez Velázquez

X-radiograph(s) of "Mariana of Austria", 1599 - 1660

Artist of original: School of Diego Rodriguez Velázquez

X-radiograph(s) of "Holy family", 1528 - 1588

Artist of original: Paolo Caliari, called Veronese

X-radiograph(s) of "Bacchanal"

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

X-radiograph(s) of "St. Francis", 1618 - 1682

Artist of original: Bartolomé Esteban Murillo

X-radiograph(s) of "Sir Archibald Cambell", 1734 - 1802

Artist of original: George Romney

X-radiograph(s) of "Madonna of Loretto", 1462 or 1463-c. 1519

Artist of original: Saturnino de' Gatti

X-radiograph(s) of "Man in Red Vest", 1697 - 1751

Artist of original: (?) Peter Pelham

X-radiograph(s) of "Adoration of the Magi"

X-radiograph(s) of "St. Francis", 1599-1652

Artist of original: Adriaen van Utrecht

X-radiograph(s) of "St. Martin", 1541 - 1614

Artist of original: School of Domenico Theotocopoli, called El Greco

X-radiograph(s) of "Death of the Virgin", 1383-c. 1447

Artist of original: Masolino

X-radiograph(s) of "Whitefield", 1708 - 1765

Artist of original: Joseph Badger

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

X-radiograph(s) of "St. Francis", 1599-1652

Artist of original: Adriaen van Utrecht