The first and possibly the greatest sociological study of poverty in 19th-century London, this survey by a journalist invented the genre of oral history a century before the term was coined. Henry Mayhew vowed "to publish the history of a people, from the lips of the people themselves -- giving a literal description of their labour, their earnings, their trials and their sufferings, in their own 'unvarnished' language." With his collaborators, Mayhew...