Columbia subject headings:
Politics, Practical--Vocational guidance.
Science--Vocational guidance.
Social sciences--Germany--History--20th century.
Social sciences--Methodology.
Sociology--Germany--History--20th century.
Harvard subject headings:
Politics, Practical--Vocational guidance.
Science--Vocational guidance
Social sciences--Germany--History--20th century.
Social sciences--Methodology
Sociology--Germany--History--20th century
Princeton subject headings:
Politics, Practical--Vocational guidance.
Science--Vocational guidance.
Social sciences--Germany--History--20th century.
Social sciences--Methodology.
Sociology--Germany--History--20th century.