 Bridgeman Art Library serves as a central source of reproductions of artwork, with access limited to museums, art dealers, and other professionals or professional organizations.There are also online galleries that have been developed by a collaboration of museums and galleries that are more interested with the categorization of art.They are interested in the potential use of folksonomy within museums and the requirements for post-processing of terms that have been gathered, both to test their utility and to deploy them in useful ways.