Retaining the original :    multiple originals, copies, and reproductions 

 - Washington:  National Gallery of Art,  1989 
 - 180 p.  il. col. 
<br/><br/><label>ISBN: </label>0894681133 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reproducciones<br/>Obras de arte<br/>Manuscritos<br/>Seminarios<br/>Historia del arte