Kerner Commission
The riots in Chicago were in 1968, not 1967. You could try the Chicago Historical Society and the Chicago Tribune (see links).
July 1967
1967.
Racist nigers
83 deaths and 1,897 injuries
83 deaths and 1,897 injuries
The first day of the Detroit Riot of 1967 was July 23, and it went on all the way to the 27.
Nancy Winston Sweeney has written: 'The Hongkong disturbances and the Cultural Revolution, 1967' -- subject(s): Riots, 1967
Detroit and Newark
Igbo
I don't know if it is the biggest,but it is definitely one of the worst riots of all time.The 2008 Greek riots,which started on December 6, when Alexandros Grigoropoulos (Αλέξανδρος Γρηγορόπουλος), a 15-year-old student, was fatally shot by a police officer,Epaminondas Korkoneas
Newark, N.J. had a violent and destructive one. It is not known exactly what touched off this racial strife-which got out of control and the National Guard was summoned. It could not have been a political assasination.