http://www.lemonde.fr/culture/article/2009/12/17/rose-valland-une-femme-discrete-temoin-des-spoliations-nazies_1282083_3246.html#ens_id=1282159
http://www.lemonde.fr/culture/article/2009/12/17/rose-valland-une-femme-discrete-temoin-des-spoliations-nazies_1282083_3246.html#ens_id=1282159