Jackie Robinson: A Legacy of Activism - The American Prospect
The Negro League revolutionized baseball – MLB's new rules are part of its legacy
Josh Gibson Foundation celebrates Hall of Fame slugger with events all summer
From Mound To Mainstage: 'Summer King' Captures Life Of Pittsburgh Baseball Player Josh Gibson
Community Spotlight—Josh Gibson Foundation — Rivers of Steel
Foundation helps mark Negro League players' graves - PressReader
The lessons and legacy of Negro Leagues Baseball resonate beyond the diamond – Ewing Marion Kauffman Foundation
Source: Pirates will sign 4 Negro Leagues stars to 'contracts' for Hall of Fame induction