Three Negro plays :  with an introduction / 
by C. W. E. Bigsby 
 - Harmondsworth :  Penguin Books,  1969 
 - 207 p. ;  19 cm. 
<br/><br/> Mulatto, Langston Hughes - The slave, LeRoi Jones - The sign in Sidney Brustein's window, Lorraine Hansberry 
<br/><br/><label>Subjects--Topical Terms: </label><br/>American drama--Afro--American authors<br/>Afro--Americans--Drama