Drawings by Rembrandt and his pupils telling the difference ; Ferdinand Bol, Willem Drost, Gerbrand van den Eeckhout, Carel Fabritius ...; [this volume accompanies the Exhibition Drawings by Rembrandt and His Pupils: Telling the Difference, on view at the J. Paul Getty Museum, Los Angeles, December 8, 2009 - February 28, 2010]