Baumann, Richard G. <br/><br/>
A flower-piece and Napoleon. 

 - Missouri-US :   University of Missouri-Columbia,   1970. 
 - páginas 33-38 :   ilustraciones blanco y negro 
 - Anual 
 - No.4 (1970) 
 - MUSE. Annual of the Museum of art and archaeology ;   no.4 .
 - University of Missouri-Columbia. .