Percy Bysshe Shelley - Poetry Foundation
https://www.poetryfoundation.org/poets/percy-bysshe-shelley
Poetry Foundation page on Shelley, featuring a biography, links to more poems, and essays by various writers on his work.
Shelley on Poetry and the Art of Seeing - Brain Pickings
https://www.brainpickings.org/2019/09/30/shelley-defence-of-poetry/
An essay on imagery in Shelley's poems.
The Politcal Fury of Percy Bysshe Shelley
https://www.opendemocracy.net/en/transformation/political-fury-of-percy-bysshe-shelley/
An essay analyzing Shelley's Poetical Essay on the Existing State of Things, including the process by which the pamphlet was identified as a work of Shelley's.
"Poetical Essay on the Existing State of Things"
http://poeticalessay.bodleian.ox.ac.uk/
A digitized version of Shelley's Poetical Essay on the Existing State of Things, a pamphlet he published anonymously in 1811.
