Columbia subject headings:
Education, Higher--Europe--History--19th century--Congresses.
Education, Higher--Germany--Prussia--History--19th century--Congresses.
Higher education and state--Europe--History--19th century--Congresses.
Higher education and state--Germany--Prussia--History--19th century--Congresses.
Science and state--Europe--History--19th century--Congresses.
Science and state--Germany--Prussia--History--19th century--Congresses.
Universities and colleges--Europe--History--19th century--Congresses.
Universities and colleges--Germany--Prussia--History--19th century--Congresses.
University autonomy--Europe--History--19th century--Congresses.
University autonomy--Germany--Prussia--History--19th century--Congresses.
Harvard subject headings:
Science--Europe--History--19th century--Congresses.
Universities and colleges--Europe--History--19th century--Congresses.
Universities and colleges--Germany--History--19th century--Congresses.
Universities and colleges--Germany--Prussia--History--19th century--Congresses.
Princeton subject headings:
Education, Higher--Germany--Prussia--History--Congresses.
Science and state--Europe--History--Congresses.
Science--Study and teaching (Higher)--Europe--History--Congresses.
Universities and colleges--Germany--Prussia--History--Congresses.