Seymour, S., & Haggerty, S. (2016). Strategic Objective 11A. Assess the position of the Derwent Valley cotton industry in terms of the Empire, the slave trade and the pressures of global demand and supply?. In D. Knight (Ed.), The Derwent Valley: the valley that changed the world: Derwent Valley Mills world heritage site research framework, 87. Derwent Valley Mills Partnership