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Rees-Jones, Deryn. “Mean Times.” Carol Ann Duffy, Liverpool University Press, 2010, pp. 45–51. JSTOR, https://doi.org/10.2307/j.ctv5rf0bh.9.
- Smith, Stan. “‘What Like Is It?’: Carol Ann Duffy’s Différance.” Poetry & Displacement, Liverpool University Press, 2007, pp. 101–22. JSTOR, https://doi.org/10.2307/j.ctt5vj9sw.9.
- Eavan Boland. "BOOK REVIEW / Between the me and the mass: 'Mean Time' - Carol Ann Duffy: Anvil, 6.95 pounds." The Independent. 7/24/1993. 2/4/2023. <https://www.independent.co.uk/arts-entertainment/book-review-between-the-me-and-the-mass-mean-time-carol-ann-duffy-anvil-6-95-pounds-1487148.html>.
- Robert Herrick. "To the Virgins, to Make Much of Time." Poetry Foundation (The Norton Anthology of Poetry Third Edition). 1648. 2/2/2023. <https://www.poetryfoundation.org/poems/46546/to-the-virgins-to-make-much-of-time>.
- Emily Dickinson. "A Clock Stopped." PoemHunter. 5/14/2001. 1896. <https://www.poemhunter.com/poem/a-clock-stopped-not-the-mantel-s/>.
- Maya Angelou. "Passing Time." Poemhunter. 1975. 2/3/2023. <https://www.poemhunter.com/poem/passing-time/>.