Columbia subject headings:
United States--Officials and employees--Salaries, etc.
White collar workers--Salaries, etc.--United States.
Harvard subject headings:
United States--Officials and employees--Salaries, etc.
White collar workers--Salaries, etc.--United States.
Princeton subject headings:
United States--Officials and employees--Salaries, etc.
White collar workers--Salaries, etc.--United States.