X-radiograph(s) of "Portrait of a Preacher", 1618-1669

Artist of original: (?) Frans Hals II

X-radiograph(s) of "St. Mary of Egypt"

X-radiograph(s) of "St. Paul", 1591 - 1652

Artist of original: Imitator of(?) Jusepe de Ribera

X-radiograph(s) of "Old Man with a Beard", 1577 - 1640

Artist of original: Peter Paul Rubens

X-radiograph(s) of "Martyrdom of a Bishop", 1405 - 1481

Artist of original: Sano di Pietro (Ansano di Pietro di Mencio)

X-radiograph(s) of "Bishop Saint", 1298 - 1331

Artist of original: Segna di Bonaventura

X-radiograph(s) of "Man in a High Collar", 1500/10 - 1575

Artist of original: Corneille de Lyon

X-radiograph(s) of "Portrait of a Man", 1596 or 1597-1667

Artist of original: Thomas de Keyser

X-radiograph(s) of "St. James", 1418 or 1419-1479

Artist of original: Zanobi di Jacopo Machiavelli

X-radiograph(s) of "Madonna and Saints", 1464-1514 or 1515

Artist of original: Pier Maria Pennacchi

X-radiograph(s) of "Madonna and Child with St. John and an Angel", c. 1450 - 1523

Artist of original: Perugino (Pietro Vannucci)

X-radiograph(s) of "Study Head", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Slaughtered Ox", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Venetian Girl or Magdalen", active c. 1480-after 1548

Artist of original: Giovanni Girolamo Savoldo

X-radiograph(s) of "Paradise Valley", 1835 - 1910

Artist of original: John La Farge

X-radiograph(s) of "Abigail, David and Joanna Mason"

X-radiograph(s) of "Portrait of a Woman", c. 1570-1657

Artist of original: (?) Jan Anthonisz. van Ravesteyn

X-radiograph(s) of "Portrait of a Woman (or saint ?) (Copy)", c. 1465-1519

Artist of original: (?) Juan de Flandes the Elder

X-radiograph(s) of "St. Anne Altar"

X-radiograph(s) of "Peter Pelham", 1738 - 1815

Artist of original: John Singleton Copley