Award Longview Award

Bollingen Prize (1959)

Shelley Memorial Award (1961/1962)

American Academy of Arts and Letters Academy Award ( [1952])

Poetry Society of America Prize (1962)

Pacific Northwest Writers Award (1959)

Edna St. Vincent Millay Award (1959)

Ford Foundation Grant (1952 ∙ 1959)

National Institute of Arts and Letters grant (1952)

nomination for honorary membership in International Mark Twain Society (1952)

National Institute and American Academy Award in Literature (1952)

Fund for the Advancement of Education fellowship (1952)

Levinson Prize (1951)

Eunice Tietjens Memorial Prize (1947)

Guggenheim fellowship (1945 ∙ 1950)

Appeared on a U.S. postage stamp as one of ten, great 20th Century American poets

Phi Beta Kappa

Phi Kappa Phi

American Academy of Arts and Letters, 1956

National Institute of Arts and Letters

Pulitzer Prize for Poetry (1954)

National Book Award for Poetry (1959 | 1965)