17 January 1998 - Newspapers The most prestigious restorers back the decision not to move Guernica again
November 1939 - Magazines Picasso in Retrospect: 1939–1900. The Comprehensive Exhibition in New York and Chicago
<em>The New York Times</em>, New York, November 11, 1990, 1, 39 - Article “When Picasso Spooked the FBI”