William Hart, Driving Force Behind the Delfonics, Dies at 77 - The New York Times

William Hart, Co-Founder of Soul Stars the Delfonics, Dead at 77

William Hart, lead singer of the Delfonics, dies at 77

Bill Hart - IMDb

William 'Poogie' Hart: Delfonics lead dead at 77

William Hart, Lead Singer of Music Group The Delfonics, Dead at 77

Any Major Dude With Half A Heart » In Memoriam – July 2022

William Hart, Lead Singer of Music Group The Delfonics, Dead at 77

William Hart, Lead Singer of Music Group The Delfonics, Dead at 77

William Hart, lead singer/songwriter of The Delfonics, dead