Correspondence, works, photographs and miscellaneous material relating to the writing of John E. Hart's biography, Floyd Dell, for the Twayne's United States Authors Series, published in 1971.

Correspondence between Floyd Dell and Miriam Gurko, concerning Edna St. Vincent Millay. Also, several short works by Dell, a few notes by Gurko and a draft of a book by Gurko entitled The Letters of Floyd Dell About Edna St. Vincent Millay, with a subject index file.