The Biography of Sylvia Plath
http://www.poetryfoundation.org/bio/sylvia-plath
The Poetry Foundation presents a linear, factual account of the author's life.
On Sylvia Plath
http://www.nybooks.com/articles/1971/08/12/on-sylvia-plath/
Elizabeth Hardwick of the The New York Review of Books offers a concise biographical and critical commentary on the author.
The Bell Jar at 40 by Emily Gould
http://www.poetryfoundation.org/article/242402
The Poetry Foundation publishes an evaluation of the life of Plath's semi-autobiographical novel, placing it on the continuum of young adult fiction.
