Columbia subject headings:
Iron and steel workers--Ohio--Youngstown--Case studies.
Plant shutdowns--Ohio--Youngstown--Case studies.
Youngstown Sheet and Tube Company.
Harvard subject headings:
Iron and steel workers--Ohio--Youngstown--Case studies.
Plant shutdowns--Ohio--Youngstown--Case studies.
Youngstown Sheet and Tube Company.
Princeton subject headings:
Iron and steel workers--Ohio--Youngstown--Case studies.
Plant shutdowns--Ohio--Youngstown--Case studies.
Youngstown Sheet and Tube Company.