This reference work offers extensive and up-to-date information concerning art in Germany, Austria and Switzerland. The user can find in the 23rd edition some 33,000 museums and public galleries, art associations, art and antiques dealers, numismatics, galleries, auctioneers, restorers, art publishers, art magazines, antiquarian bookshops and art bookshops, as well as artists. In the newly introduced chapter Exhibitions we present the temporary exhibitions presented by the museums and exhibition halls in 2013.