1784-1859 1792-1822 1795-1821 19thcentury authorship collaboration england english englishpoetry friendsandassociateshunt greatbritain history historyandcriticism intellectuallife john leigh london percybysshe politicalandsocialviewshunt politicalandsocialviewsshelley politicalpoetry politicsandliterature radicalism romanticism socialproblemsinliterature