She is most well known for For Colored Girls Who Have Considered Suicide When the Rainbow is Enuf. You may be familiar with the 2011 film featuring an all star cast (Janet Jackson, Loretta Devine, Hill Harper, Thandie Newton, Whoopi Goldberg, Kerry Washington, and Macy Gray). Still if you haven’t seen it, the 1982 production starring Ntozake Shange, Patti LaBelle, and Alfre Woodard (among others) is worth a watch! We have access through Theatre in Video.
Many of her plays can be found in Black Drama. She is also known for her poetry and wrote several novels. Here’s a sample of some of her work:
You might also enjoy this New York Public Library interview in 2015.