Papers of the American author, poet, publisher. Correspondence (1942-1964); manuscript poems and essays; and published materials, including articles and clippings by and about Swallow, book reviews, poems, and stories by Swallow, and photographs. Correspondents include Louise Bogan, Weldon Kees, Archibald MacLeish, Henry Miller, Marianne Moore, Isaac Bashevis Singer, Wallace Stevens, Allen Tate, Robert Penn Warren, William Carlos Williams, and others.