Which primary source document would give you insight into how the grateful Chicago fire affect working class families?

The Chicago Relief and Aid Society's reports and records would provide insight into how the Great Chicago Fire affected working class families, as this organization played a key role in providing relief and support to those impacted by the disaster. Additionally, accounts from newspapers published during that time, such as The Chicago Tribune or The Chicago Times, could offer perspectives on the experiences of working class families in the aftermath of the fire.