Columbia subject headings:
Ansermet, Ernest, 1883-1969.
Conductors (Music)--Correspondence.
Mooser, R.-Aloys (Robert-Aloys)
Harvard subject headings:
Ansermet, Ernest, 1883-1969.
Conductors (Music)--Correspondence.
Mooser, R.-Aloys (Robert-Aloys)
Princeton subject headings:
Ansermet, Ernest, 1883-1969--Correspondence.
Conductors (Music)--Correspondence.
Mooser, R.-Aloys (Robert-Aloys)--Correspondence.