20thcentury abstractart abstractexpressionism aesthetics american art artists artnouveau artofthe1950s artofthe1980sand1990s arts biography books canadianart collectioncatalogs criticism cubism dada earlymodernartmovements easterneuropean engravings fauvism figurativeexpressionism frenchart general generalaesthetics germanart germanfiction germanhistory germanliterature history historyandcriticism illuminatedmanuscripts individualartists individualphotographers italianart literature mentalillnessinliterature miscellaneousamericanart miscellaneousartisitictechniques miscellaneouseuropeanart miscellaneousphotography modern modernart modernism modernismo museum nationalitiesinart newvisionphotography peoples philosophyofart prints professionals russian sculpturaltechniques socialaspects socialistrealisminliterature sovietart surrealism unitedstates women