EntityQ4959440· pop 7· linked from 28 articlesbreaker boySign in to saveoccupationConnectionsPittstonEntityironEntityPennsylvaniaEntitysociologyEntitysulfurEntityglassEntityInternational Standard Book NumberEntitycoalEntityasthmaEntityclayEntityThe New York TimesEntityWayback MachineEntityCharles I of EnglandPersonsulfuric acidEntitylabor unionEntitycharcoalEntitycast ironEntitysilicon dioxideEntitychild labourEntityanthraciteEntityCategoriesChild labor in the United StatesChild labour in the United KingdomCoal miningObsolete occupationsResource extraction occupations