Columbia subject headings:
Harvard subject headings:
Authors--Correspondence.
Kolb, Annette, 1870-1967--Contemporaries--Correspondence.
Kolb, Annette, 1870-1967--Correspondence.
Princeton subject headings:
Authors--Correspondence.
Kolb, Annette, 1870-1967--Contemporaries--Correspondence.
Kolb, Annette, 1870-1967--Correspondence.
Personal correspondence.