Hargreaves John A John Andrew : Slavery in Yorkshire : Richard Oastler and the campaign against child labour in the Industrial Revolution / edited by John A. Hargreaves & E.A. Hilary Haigh.
Hargreaves Susan M : The political economy of nineteenth century Bonny [electronic resource] : a study of power, authority, legitimacy and ideology in a Delta trading community from 1790-1914 / Susan M. Hargreaves.