By Georg Heuberger
By Christina Lamb
By Barney Hoskyns
By David Grann
By Rory Stewart
By Ibram X. Kendi
By Harry Reid
By Joan Kent
By Hong Ying
By Dan Barber
By Stephen Walker
By Sarah Perry
By Magnusson, Magnus
By Leonard
By Judy Shepard
By Andrzej Stasiuk, Michael Kandel
By Clementine Ford
By Joan Rice
By Lee Lawrence
By Hilde F. Johnson
By Mary Bull, Alison Smith
By Wrong, Michela
By Kay, Lilian
By Scroggins, Deborah
By James Walvin (University of York, UK)
By M. L. Bush (Manchester Metropolitan University)
By Pauline Knowles-Samarraie, Karen O'Brien
By Benjamin Pogrund, Harold Evans
By Nabia Abbott