Columbia subject headings:
Harvard subject headings:
Blue collar workers--United States.
Social adjustment--United States.
Social classes--United States
Social mobility--United States.
Social values--United States
White collar workers--United States.
Princeton subject headings:
Blue collar workers--United States--Attitudes.
Social adjustment--United States.
Social classes--United States.
Social mobility--United States.
White collar workers--United States--Attitudes.