Columbia subject headings:
Carr, Emily, 1871-1945--Correspondence.
Painters--Canada--Correspondence.
Harvard subject headings:
Carr, Emily, 1871-1945--Correspondence.
Painters--Canada--Correspondence.
Princeton subject headings:
Carr, Emily, 1871-1945--Correspondence.
Cheney, Nan, 1887-1985--Correspondence.
Painters--Canada--Correspondence.
Toms, Humphrey N. W.--Correspondence.