Columbia subject headings:
Germany--Intellectual life.
Haller, Johannes, 1865-1947--Archives.
Haller, Johannes, 1865-1947--Correspondence.
Historians--Germany--Archives.
Historians--Germany--Correspondence.
Harvard subject headings:
Germany--History.
Germany--Intellectual life.
Haller, Johannes, 1865-1947--Archives.
Haller, Johannes, 1865-1947--Correspondence.
Historians--Germany--Archives.
Historians--Germany--Correspondence
Princeton subject headings:
Germany--Intellectual life.
Haller, Johannes, 1865-1947--Archives.
Haller, Johannes, 1865-1947--Correspondence.
Historians--Germany--Archives.
Historians--Germany--Correspondence.