Columbia subject headings:
Harvard subject headings:
Apprentices--Cross-cultural studies.
Artisans--Cross-cultural studies.
Ethnology--Field work.
Ethnology--Fieldwork
Occupational training--Cross-cultural studies.
Princeton subject headings:
Apprentices--Cross-cultural studies.
Artisans--Cross-cultural studies.
Ethnology--Fieldwork.
Occupational training--Cross-cultural studies.