Columbia subject headings:
Harvard subject headings:
Authors, American--19th century--Correspondence
Hay, John, 1838-1905
Hay, John, 1838-1905--Correspondence.
Howells, William Dean, 1837-1920--Correspondence.
Novelists, American--19th century--Correspondence
Statesmen--United States--Correspondence.
Princeton subject headings:
Authors, American--19th century--Correspondence.
Hay, John, 1838-1905.
Howells, William Dean, 1837-1920--Correspondence.
Statesmen--United States--Correspondence.