Columbia subject headings:
Church work with youth--Catholic Church--History.
Church work with youth--Switzerland--History.
Schweizerischer Katholischer Jungmannschaftsverband.
Youth movements--Switzerland--History.
Youth--Societies and clubs--History.
Harvard subject headings:
Church work with youth--Catholic Church--History.
Church work with youth--Switzerland--History.
Schweizerischer Katholischer Jungmannschaftsverband.
Youth movements--Switzerland--History.
Youth--Switzerland--Societies and clubs--History.
Princeton subject headings:
Church work with youth--Catholic Church--History.
Church work with youth--Switzerland--History.
Schweizerischer Katholischer Jungmannschaftsverband.
Youth movements--Switzerland--History.
Youth--Societies and clubs--History.