June 4, 1967: Muhammad Ali Summit - Zinn Education Project
Carl Stokes - Cleveland Civil Rights Trail
The Next 400: Ohio historical marker unveiled at Cleveland Browns Stadium for 'Muhammad Ali Summit'
City of Cleveland - City Hall
8-3 Historic Mifflin - Remarkable Ohio
View the History of Olivet Institutional Baptist Church
Historical marker dedicated at original site of 1967 Cleveland Summit
National Basketball Social Justice Coalition unveils Cleveland Summit marker
The Next 400: Ohio historical marker unveiled at Cleveland Browns Stadium for 'Muhammad Ali Summit'
NAACP – The Indiana History Blog
The 'Ali summit': a turning point in sports' fight against injustice, US sports
Browns unveil Ohio Historical Marker for Cleveland Summit that featured Muhammad Ali, Jim Brown