Columbia subject headings:
Art patrons--Switzerland--Correspondence.
Businessmen--Switzerland--Correspondence.
Hofer, Carl, 1878-1955--Correspondence.
Painters--Germany--Correspondence.
Reinhart, Theodor, 1849-1919--Correspondence.
Harvard subject headings:
Art patrons--Germany--Correspondence.
Art patrons--Switzerland--Correspondence.
Artists--Germany--Correspondence.
Businesspeople--Switzerland--Correspondence.
Hofer, Carl, 1878-1955--Correspondence.
Painters--Germany--Correspondence.
Reinhart, Theodor, 1849-1919--Correspondence.
Princeton subject headings:
Art patrons--Germany--Correspondence.
Artists--Germany--Correspondence.
Hofer, Carl, 1878-1955--Correspondence.
Reinhart, Theodor, 1849-1919 Correspondence.