By David Gilmour
By Dorothy Roberts
By Ambalavaner Sivanandan
By Christopher Hope
By United Nations University Press
By Various
By Alan Brooks, Jeremy Brickhill
By Makiya, Kanan
By United States
By Equiano, Olaudah, Edwards, Paul
By Richard Bourne
By Binns, Tony
By Alistair Cole (Cardiff University, UK.)
By Alex Callinicos, John Rogers
By Biko, Steve, Stubbs, Aelred