Columbia subject headings:
Big business--United States--History.
Business enterprises--Size--United States--Econometric models.
Employee fringe benefits--United States--Costs.
Small business--United States--History.
Harvard subject headings:
Big business--United States
Business enterprises--Size--Political aspects--United States.
Business enterprises--Size--United States--History.
Small business--United States.
Princeton subject headings:
Big business--United States--History.
Business enterprises--Size--United States--Econometric models.
Employee fringe benefits--United States--Costs.
Small business--United States--History.