Columbia subject headings:
Business and education--United States.
Education, Cooperative--United States.
Part-time employment--United States.
Summer employment--United States.
Youth--Employment--United States.
Harvard subject headings:
Business and education--United States.
Business education.
Education, Cooperative--United States.
Part-time employment--United States
Summer employment--United States
Youth--Employment--United States
Princeton subject headings:
Business and education--United States.
Education, Cooperative--United States.
Part-time employment--United States.
Summer employment--United States.
Youth--Employment--United States.