Columbia subject headings:
Harvard subject headings:
Education--Germany--History--19th century
Education--Germany--History--19th century--Congresses.
Education--Great Britain--History--19th century
Education--Great Britain--History--19th century--Congresses.
Germany--Relations--Great Britain--Congresses.
Great Britain--Relations--Germany--Congresses.
Princeton subject headings:
Education--Germany--History--19th century--Congresses.
Education--Great Britain--History--19th century--Congresses.
Germany--Relations--Great Britain--Congresses.
Great Britain--Relations--Germany--Congresses.