Columbia subject headings:
Industrial accidents--Turkey.
Iron and steel workers--Turkey.
Iron industry and trade--Accidents--Turkey.
Steel industry and trade--Accidents--Turkey.
Harvard subject headings:
Industrial accidents--Turkey.
Iron and steel workers--Turkey.
Iron industry and trade--Accidents--Turkey.
Steel industry and trade--Accidents--Turkey.
Princeton subject headings:
Industrial accidents--Turkey.
Iron and steel workers--Turkey.
Iron industry and trade--Accidents--Turkey.
Steel industry and trade--Accidents--Turkey.