1. http://www.wsu.edu/~dee/GRAPHICS/GALLERY/VERMEER/VERM4.JPG

2.

http://www.metmuseum.org/works_of_art/viewone.asp?dep=11&viewmode=1

&item=89.15.21

3.

http://www.jewishart.org/vermeer/vermeer.html

4.

http://www.ibiblio.org/wm/paint/auth/vinci/joconde/

5.

http://www.artchive.com/artchive/L/leonardo/monalisa_text.jpg.html

6.

http://en.wikipedia.org/wiki/Mona_Lisa