Columbia subject headings:
Authors, Swiss--20th century--Correspondence.
Authors, Swiss--21st century--Correspondence.
Chessex, Jacques--Correspondence.
Roud, Gustave, 1897-1976--Correspondence.
Harvard subject headings:
Authors, Swiss--20th century--Correspondence
Chessex, Jacques--Correspondence.
Poets, Swiss--20th century--Correspondence.
Roud, Gustave, 1897-1976--Correspondence.
Princeton subject headings: