Columbia subject headings:
Apprentices--Germany (West)
Apprentices--United States.
High school graduates--Employment--United States.
Occupational training--United States.
Vocational education--United States.
Youth--Employment--United States.
Harvard subject headings:
Apprentices--Germany (West)
Apprentices--United States
Apprenticeship programs--Germany (West)
Apprenticeship programs--United States.
High school graduates--Employment--United States
Occupational training--United States
Vocational education--United States.
Youth--Employment--United States
Princeton subject headings:
Apprentices--Germany (West)
Apprentices--United States.
High school graduates--Employment--United States.
Occupational training--United States.
Vocational education--United States.
Youth--Employment--United States.