X-radiograph(s) of "St. Paul", 1609-1656

Artist of original: Salomon Koninck

X-radiograph(s) of "Countesse de Selve", 1749 - 1803

Artist of original: Adélaïde Labille-Guiard

X-radiograph(s) of "Scene from the Opera", 1690 - 1743

Artist of original: Nicolas Lancret

X-radiograph(s) of "The Artist and Family (sketch for Louvre painting)"

X-radiograph(s) of "Card Players", active 17th century

Artist of original: (?) Le Nain Family

X-radiograph(s) of "Leda (copy)", 1452 - 1519

Artist of original: Leonardo da Vinci

X-radiograph(s) of "Madonna and Child", died 1501

Artist of original: (?) Francesco Napolitano

X-radiograph(s) of "Madonna of the Rocks", 1467 - 1516

Artist of original: Giovanni Antonio Boltraffio

X-radiograph(s) of "Mona Lisa (Copy)", 1452 - 1519

Artist of original: Leonardo da Vinci

X-radiograph(s) of "Madonna and Child", 1452 - 1519

Artist of original: School of Leonardo da Vinci

X-radiograph(s) of "Old Woman", 1634-1675

Artist of original: Jacobus Levecq

X-radiograph(s) of "Old Woman Reading", 1634-1675

Artist of original: (?) Jacobus Levecq

X-radiograph(s) of "Gay Cavaliers", 1609-1660

Artist of original: Judith Leyster

X-radiograph(s) of "Portrait of a Woman", c. 1489-c. 1565

Artist of original: (?) Bernardino Licinio

X-radiograph(s) of "Columbus before Isabella", 1821-1865

Artist of original: Jozef Hendrik Hubert Lies

X-radiograph(s) of "Samson Berating His Father-in-Law", 1607 - 1674

Artist of original: Jan Lievens

X-radiograph(s) of "Landscape", 1607 - 1674

Artist of original: Jan Lievens

X-radiograph(s) of "Portrait of a Boy", 1607 - 1674

Artist of original: (?) Jan Lievens

X-radiograph(s) of "Susanna and the Elders", 1597 - 1664

Artist of original: Salomon de Bray

X-radiograph(s) of "Old Man", 1607 - 1674

Artist of original: Jan Lievens