Black Sheep
There are a number of plays called Black Sheep.
Black Sheep (1868) by Edmund Yates (1831–1894)[1]
Originally published as the novel Black Sheep (published by Tinslsey brothers, 1867) and adapted for the stage as Black Sheep in 1868, by Yates and **.
1831 – 20 May 1894)
http://www.bartleby.com/library/readersdigest/255.html
http://victorianfictionresearchguides.org/edmund-yates/
https://books.google.co.za/books/about/Black_Sheep.html?id=sOwBAAAAQAAJ&redir_esc=y
Black Sheep by Elmer Rice (1932)
A comedy in three acts that opened at the Morosco Theatre in New York City Oct 13, 1932 and played through Oct 1932, directed and produced by Rice.
https://www.ibdb.com/broadway-production/black-sheep-11645
Black Sheep by Lee Blessing (2001)
After a public reading at the Arena Stage in Washington D.C. October 19-27, 2001, it formally opened at the Florida Stage in Manalapan, Florida in December 14 of the same year.
