He was also later selected for the National Institute of Arts and Letters.

In 1915 he was elected to the National Institute of Arts and Letters.

He was elected to the National Institute of Arts and Letters.

In 1967, he received a grant from the National Institute of Arts and Letters.

In 1976 she became the first black woman to be elected to the 250-member National Institute of Arts and Letters.

Among the many honors he received was election to the National Institute of Arts and Letters.

Barnes was elected to the National Institute of Arts and Letters in 1961.

He is a member of the National Institute of Arts and Letters.

He was made a member of the National Institute of Arts and Letters in 1964.

National Institute of Arts & Letters award in poetry (1971)