Rubens and Brueghel a working friendship ; [this volume is published to accompany the exhibition ... held at the J. Paul Getty Museum, Los Angeles and the Royal Picture Gallery Mauritshuis, The Hague ; the exhibition is on view in Los Angeles from July 5 to September 24, 2006, and in The Hague from October 21, 2006, to January 28, 2007] - Greenberg, Mark; Woollett, Anne T.; Rubens, Peter Paul; Bruegel, Jan