Denis Devlin died on August 21, 1959. The collection The Heavenly Foreigner was published posthumously.
- Wilson, James Matthew. "Late Modernism and the Marketplace in Denis Devlin's The Heavenly Foreigner." Irish Modernism: Origins, Contexts, Publics. Eds. Edwina Keown and Carol Taaffe. Reimagining Ireland 14. Bern: Peter Lang, 2010. 159-175.