Giovanni Antonio Boltraffio Online (original) (raw)
Fine Arts Museums of San Francisco NEW!
(Look for the "Image" links for super high resolution scans)
Portrait of a Youth Crowned with Flowers, ca.1490
Louvre Museum Database, Paris
Louvre Museum Graphic Art Database, Paris (in French) 
National Gallery, London, UK
National Gallery of Art, Washington D.C. NEW!
Includes a biography of the artist
Brooklyn Museum, New York City
Drawings from the Biblioteca Ambrosiana, Milan
Harvard University Art Museums, Massachusetts
Harvard have works in their collections, but unfortunately you have to type in the search yourself
Museo Poldi Pezzoli, Milan, Italy
North Carolina Museum of Art, Raleigh
Portrait of a Youth Crowned with Flowers, ca.1490
State Museums of Florence Digital Archive, Italy
Statens Museum for Kunst (National Gallery of Denmark), Copenhagen
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Thyssen-Bornemisza Museum, Madrid
(Images are zoomable; click on the "expand" icon below the detail image)
Timken Museum of Art, San Diego, California
Portrait of a Youth Holding an Arrow
Virtual Uffizi
Narcissus
National Art Databases and Museum Inventories:
Joconde Database of French Museum Collections (in French)