Columbia subject headings:
Authors, French--20th century--Correspondence.
Martinet, Marcel, 1887-1944--Correspondence.
Massé, Ludovic--Correspondence.
Harvard subject headings:
Authors, French--20th century--Correspondence
Martinet, Marcel, 1887-1944--Correspondence.
Massé, Ludovic--Correspondence.
Princeton subject headings:
Authors, French--20th century--Correspondence.
Martinet, Marcel, 1887-1944--Correspondence.
Massé, Ludovic--Correspondence.