Columbia subject headings:
Authors, Swiss--20th century--Correspondence.
Inglin, Meinrad, 1893-1971--Correspondence.
Literary historians--Switzerland--Correspondence.
Staiger, Emil, 1908-1987--Correspondence.
Teachers--Switzerland--Correspondence.
Vogel, Traugott, 1894-1975--Correspondence.
Harvard subject headings:
Authors, Swiss--20th century--Correspondence
Inglin, Meinrad, 1893-1971--Correspondence.
Staiger, Emil, 1908---Correspondence.
Staiger, Emil, 1908-1987--Correspondence.
Teachers--Switzerland--Correspondence.
Vogel, Traugott, 1894-1975--Correspondence.
Princeton subject headings:
Authors, Swiss--20th century--Correspondence.
Inglin, Meinrad, 1893-1971--Correspondence.
Literary historians--Switzerland--Correspondence.
Staiger, Emil, 1908-1987--Correspondence.
Teachers--Switzerland--Correspondence.
Vogel, Traugott, 1894-1975--Correspondence.