Flyer for rally in Harlem Square sponsored by Pan-African National Association in the Americas and Human rights Political Association in response to the 16th Street Baptist Church bombing. Speakers listed as Adam Clayton Powell, James Farmer, Charles Diggs Jr., Dick Gregory, Rev. Gardner C. Taylor, Lewis H. Michaux, James Baldwin, Bayard Rustin, Lloyd Dickens, Hope Stevens, Percy Sutton, Hulan E. Jack, Jackie Robinson, Paul Zuber, and Louis Lomax, with Alex Prempeh as master of ceremonies.