August Wilson (April 27, 1945 - October 2, 2005) was an American playwright. His literary legacy is the ten play series, The Pittsburgh Cycle, for which he received two Pulitzer Prizes for Drama. Each is set in a different decade, depicting the comic and tragic aspects of the African-American experience in the twentieth century. (Wikipedia)
Thus, his work falls under the arts area.
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Liberal Arts
Technically, yes. But liberal arts is when a student tries out all arts before choosing a major. For example: When I started at my arts school, I took liberal arts. After taking liberal for a semester, I decided dance was the right major for me, so I went from liberal arts, to immersion dance.
University, but it has a liberal arts school inside.
European College of Liberal Arts was created in 1999.
Massachusetts College of Liberal Arts was created in 1894.
Liberal Arts - film - was created on 2012-01-22.
University of Liberal Arts Bangladesh was created in 2002.
So many schools offer master's in liberal arts. Wellesley is a very well-ranked liberal arts school (for just women however). Most schools that offer a liberal arts in general will have programs for master's such as Harvard http://www.extension.harvard.edu/degrees-certificates/master-liberal-arts, UChicago https://grahamschool.uchicago.edu/php/mla/, and Stanford.
University of Liberal Arts Bangladesh
Bratislava International School of Liberal Arts was created in 2006.
University of Minnesota College of Liberal Arts was created in 1868.
Purdue University College of Liberal Arts was created in 1953.