Award Melville Cane Poetry Award

Presidential Medal of Freedom (2003)

Chevalier de l'Ordre National de la Legion d'Honneur

National Humanities Medal (2010)

Gold Medal, American Academy of Arts and Letters

American Philosophical Society (1984)

American Academy of Arts and Letters (Literature, 1952)

American Academy of Arts and Sciences (1954)

Edgar Award (1972)

St. Louis Literary Award (1968)

Philolexian Award for Distinguished Literary Achievement (2011)

Académie Delphinale