P. S. Derrick, “The undiscovered country from whose bourn some travelers do return. The final frontier in Poe and Dickinson”, EIUC, vol. 10, pp. 217–236, Jan. 2002, Accessed: Dec. 07, 2025. Available: https://revistas.ucm.es/index.php/EIUC/article/view/EIUC0202110217A