Columbia subject headings:
Harvard subject headings:
Education--Germany--Curricula--History.
Examinations--Germany--History.
High schools--Germany--Graduation requirements--History.
Universities and colleges--Germany--Entrance requirements--History.
Princeton subject headings:
Education--Germany--Curricula--History.
Examinations--Germany--History.
High schools--Germany--Graduation requirements--History.
Universities and colleges--Germany--Entrance requirements--History.