Columbia subject headings:
Composers--France--Correspondence.
Saint-Saëns, Camille, 1835-1921--Correspondence.
Harvard subject headings:
Composers--Correspondence
Saint-Saëns, Camille, 1835-1921--Friends and associates.
Princeton subject headings:
Composers--Correspondence.
Saint-Saëns, Camille, 1835-1921--Friends and associates.