Categories for the Description of Works of Art (CDWA) [online]. Edited by Murtha Baca and Patricia Harpring. Los Angeles: J. Paul Getty Trust and the College Art Association, 1995-. http://www.getty.edu/research/publications/electronic_publications/cdwa/index.html (12 July 2013)
Dominant: CDWA online (1995-2010) (2000052285) Recessive: Categories for the Description of Works of Art (1995-2006) (2000046702)