Workshop of Hans Holbein the Younger, Portrait of a Man (Sir Ralph Sadler?)
Rogier van der Weyden, Francesco d'Este (born about 1429, died after July 20, 1476)
The Metropolitan Museum of Art Bulletin, v. 30, no. 4 (February–March, 1972) - MetPublications - The Metropolitan Museum of Art
The Costume Institute: The Metropolitan Museum of Art Bulletin, v. 30, no. 1 (August–September, 1971) - MetPublications - The Metropolitan Museum of Art
Mona Lisa': scientists unlock secret of da Vinci techniques
1911 1938 hi-res stock photography and images - Alamy
The Age of Rembrandt: Dutch Paintings in The Metropolitan Museum of Art: The Metropolitan Museum of Art Bulletin, v. 65, no. 1 (Summer, 2007) - MetPublications - The Metropolitan Museum of Art
European Paintings in The Metropolitan Museum of Art by Artists Born before 1865: A Summary Catalogue - MetPublications - The Metropolitan Museum of Art
Stop 26. Virgin and Saints Adoring the Christ Child, Campus wide guide
The Wrightsmans and the Department of European Sculpture and Decorative Arts
The Metropolitan Museum of Art. Vol. 7, Europe in the Age of Enlightenment and Revolution - MetPublications - The Metropolitan Museum of Art
A Concise Catalogue of the European Paintings in the Metropolitan Museum of Art - MetPublications - The Metropolitan Museum of Art
The Metropolitan Museum of Art Bulletin, v. 23, no. 3 (November, 1964) - MetPublications - The Metropolitan Museum of Art
Albert Einstein - Wikipedia