Columbia subject headings:
Occupational training--Congresses.
Youth--Employment--Congresses.
Harvard subject headings:
Manpower planning--Congresses.
Manpower policy--Congresses
Vocational education--Congresses.
Vocational guidance--Congresses
Youth--Employment--Congresses
Princeton subject headings:
Manpower planning--Congresses.
Manpower policy--Congresses.
Vocational education--Congresses.
Vocational guidance--Congresses.
Youth--Employment--Congresses.