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

X-radiograph(s) of "Governor Endicott (after 17th portrait)"

X-radiograph(s) of "Musical Party"

X-radiograph(s) of "Lorenzo di Medici", c. 1525-1605

Artist of original: (?) Cristofano dell' Altissimo

X-radiograph(s) of "Harbor Fight"

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

X-radiograph(s) of "Self-Portrait (copy)", 1577 - 1640

Artist of original: Peter Paul Rubens

X-radiograph(s) of "Emily, Austin and Lavinia Dickinson ", 1608/09 - 1651

Artist of original: Jacob Adriaensz. Backer

X-radiograph(s) of "H. Stoeffels at Window", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Shepherd and Goats", 1796 - 1875

Artist of original: Jean-Baptiste-Camille Corot