Columbia subject headings:
Jahns, Rudolf, 1896-1983--Exhibitions.
Harvard subject headings:
Artists--Germany (West)--Correspondence.
Artists--Germany--Correspondence.
Jahns, Rudolf, 1896---Correspondence.
Jahns, Rudolf, 1896---Exhibitions.
Jahns, Rudolf, 1896-1983--Correspondence.
Princeton subject headings:
Artists--Germany (West)--Correspondence.
Jahns, Rudolf, 1896-1983--Correspondence.