"An Interview with John Berryman" conducted by John Plotz of the Harvard Advocate on Oct. 27, 1968. In Berryman's Understanding: Reflections on the Poetry of John Berryman. Ed. Harry Thomas. Boston: Northeastern UP, 1988.
Galassi, Jonathan. "John Berryman: Sorrows and Passions of His Majesty the Ego." Poetry Nation, No. 2, 1974. 117-124. "Poetrymagazines.org.uk - John Berryman". Archived from the original on 2011-05-19. Retrieved 2011-06-11.
Galassi, Jonathan. "John Berryman: Sorrows and Passions of His Majesty the Ego." Poetry Nation, No. 2, 1974. 117-124. "Poetrymagazines.org.uk - John Berryman". Archived from the original on 2011-05-19. Retrieved 2011-06-11.