This book shows how the workforce was changing at the turn of the Century in Pittsburgh, Pennsylvania. "What social science later enshrined as the "collar line" may have existed, but its significance was not at all clear. Rather than being a clear social delimeter, the collar line existed as a murky area invested with contradictory social meanings" (p.172)

Ileen Devault's Worker Institute of ILR Cornell papers document the administrative, operational, research, and outreach files of Ileen Devault, as Worker Institute Research Director, her service on the Institute’s executive committee, and her role as co-chair of the Equity at Work initiative, from 2012 to 2021.