020th Century Art January 12, 2017 by Julie · Published January 12, 2017 · Last modified March 13, 2017 Resources needed for the 20th century Art unitParker, Philip. World History. New York: Metro Books. 2016. Print. Strickland, Carol. The Annotated Mona Lisa. Kansas City: Andrew McMeel. 2007. Print. A subscription to Curiosity Stream.