Porgy_(novel) Published May 22, 2017 at 220 × 295 in The Gullah and Geechee – People of the Sea Islands ← Previous / Next → The novel Porgy by Dubose Heyward is the basis for George Gershwin’s opera Porgy and Bess and contains Gullah language and is based on Gullah culture. Porgy, Porgy and Bess, George Gershwin, Dubose Heyward, Gullah culture