Columbia subject headings:
Authors, French--20th century--Correspondence.
Authors, German--20th century--Correspondence.
Kolb, Annette, 1870-1967--Correspondence.
Rolland, Romain, 1866-1944--Correspondence.
Harvard subject headings:
Authors, French--20th century--Correspondence
Authors, German--20th century--Correspondence
Kolb, Annette, 1870-1967--Correspondence.
Rolland, Romain, 1866-1944--Correspondence.
Princeton subject headings:
Authors, French--20th century--Correspondence.
Authors, German--20th century--Correspondence.
Kolb, Annette, 1870-1967--Correspondence.
Rolland, Romain, 1866-1944--Correspondence.