- "Ted Hughes." Poetry Foundation. 3 August 2018. <https://www.poetryfoundation.org/poets/ted-hughes>.
- Simon Armitage. "Over the Hills and Far Away." The Guardian. 18 February 2006. 5 August 2018. <https://www.theguardian.com/books/2006/feb/18/poetry.simonhughes>.
- Popova, Maria. "Sylvia Plath Meets Ted Hughes." Brain Pickings. 10 August 2018. <https://www.brainpickings.org/2013/02/25/sylvia-plath-meets-ted-hughes/>.
- Heinz, Drue and Ted Hughes.. "The Art of Poetry, No. 71." The Paris Review. 1995. 3 August 2018. <https://www.theparisreview.org/interviews/1669/ted-hughes-the-art-of-poetry-no-71-ted-hughes>.
- Hadley, Edward. "Life of Ted Hughes." Ted Hughes Society. 5 August 2018. <http://thetedhughessociety.org/life/>.
- Clark, Heather. "The Hawk and the Rain." Ted Hughes Society. 10 August 2018. <http://thetedhughessociety.org/hawk>.
- Kakutani, Michiko.. "'Birthday Letters': A Portrait of Plath in Poetry for Its Own Sake ." The New York Times. 13 February 1998. 11 August 2018. <https://archive.nytimes.com/www.nytimes.com/books/98/02/08/daily/hughes-book-review.html?_r=1&oref=login>.