Columbia subject headings:
Harvard subject headings:
Historiography--Austria--History--19th century--Congresses.
Historiography--Germany--History--19th century--Congresses.
History--Research--Austria--History--19th century--Congresses.
History--Research--Germany--History--19th century--Congresses.
History--Study and teaching (Higher)--Austria--History--19th century--Congresses.
History--Study and teaching (Higher)--Germany--History--19th century--Congresses.
Princeton subject headings:
Historiography--Austria--History--19th century--Congresses.
Historiography--Germany--History--19th century--Congresses.
History--Study and teaching (Higher)--Austria--History--19th century--Congresses.
History--Study and teaching (Higher)--Germany--History--19th century--Congresses.