Columbia subject headings:
Authors, Italian--20th century--Correspondence.
Authors, Swiss--20th century--Correspondence.
Menghini, Felice, 1909-1947--Correspondence.
Harvard subject headings:
Authors, Exiled--Switzerland--20th century--Correspondence.
Authors, Italian--20th century--Correspondence
Authors, Italian--Switzerland--20th century--Correspondence.
Authors, Swiss--20th century--Correspondence
Menghini, Felice, 1909-1947--Correspondence.
Menghini, Felice--Correspondence.
Princeton subject headings:
Authors, Italian--20th century--Correspondence.
Authors, Swiss--20th century--Correspondence.
Menghini, Felice, 1909-1947--Correspondence.