Columbia subject headings:
High technology industries--United States--Employees--Statistics.
High technology industries--United States--Statistics.
High technology--United States--Finance.
Harvard subject headings:
High technology industries--United States--Employees--Statistics.
High technology industries--United States--Statistics.
High technology--United States--Finance.
Princeton subject headings:
High technology industries--United States--Employees--Statistics.
High technology industries--United States--Statistics.
High technology--United States--Finance.
Statistics.