Columbia subject headings:
Art historians--Germany--Correspondence.
Critics--Germany--Correspondence.
Diplomats--Germany--Correspondence.
Hausenstein, Wilhelm, 1882-1957--Correspondence.
Harvard subject headings:
Art historians--Germany--Correspondence.
Critics--Germany--Correspondence.
Diplomats--Germany--Correspondence.
Hausenstein, Wilhelm, 1882-1957--Correspondence.
Princeton subject headings:
Art historians--Germany--Correspondence.
Critics--Germany--Correspondence.
Diplomats--Germany--Correspondence.
Hausenstein, Wilhelm, 1882-1957--Correspondence.