Columbia subject headings:
Authors, German--20th century--Correspondence.
Authors, Swiss--20th century--Correspondence.
Frisch, Max, 1911-1991--Correspondence.
Johnson, Uwe, 1934-1984--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Authors, Swiss--20th century--Correspondence
Frisch, Max, 1911-1991--Correspondence.
Johnson, Uwe, 1934-1984--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Authors, Swiss--20th century--Correspondence.
Frisch, Max, 1911-1991. Correspondence.
Johnson, Uwe, 1934-1984--Correspondence.