Is there any essay, article or lecture about Baby Sugge's preaching to love the black flesh and body?

Baby Suggs instructed the blacks to love their bodies, especially their mouths and hearts. They had to love their mouths to battle the speechlessness imposed on them under slavery, and their hearts they had to love in order to preserve their human feelings-her old philosophy stood in sharp contrast to Paul D's need to keep his heart locked away. But what happened to Sethe broke Baby Suggs, convincing her that there was "no bad luck in this world but whitefolks," and making her feel that her preaching had all been lies.

http://www.everydaycitizen.com/2009/07/baby_suggs_sermon.html