Town in the Ruhr : a social history of Bochum, 1860-1914 /Bochum : Sozialgeschichte einer Industriestadt 1860-1914 /Town in the Ruhr : a social history of Bochum.Conference report : SSRC Research Group on Modern German Social History : First meeting : History of the family, U.E.A., Norwich, 7-8 july 1978 /