Columbia subject headings:
Osler, Grace Revere Gross, Lady--Correspondence.
Osler, William, Sir, 1849-1919.
Physicians' spouses--Canada--Correspondence.
Physicians--Canada--Biography.
Harvard subject headings:
Osler, Grace Revere Gross, Mrs.--Correspondence.
Osler, Grace Revere Gross--Correspondence.
Osler, William, Sir, 1849-1919
Physicians' spouses--Canada--Correspondence.
Physicians--Canada--Biography
Princeton subject headings:
Osler, Grace Revere Gross--Correspondence.
Osler, William, Sir, 1849-1919.
Physicians' spouses--Canada--Correspondence.
Physicians--Canada--Biography.