Thanksgiving : 2 documents iconographiques
Iconographie 1 : http://www.best-norman-rockwell-art.com/search-1943-freedom-from-want.html
Iconographie 2 : http://1.bp.blogspot.com/_axwEeSXAOSk/TOvFpG15q1I/AAAAAAAACVg/N4MtAPwq9P0/s1600/happy+tday.jpg
Suggestion : comparer les deux images