Percy Bysshe Shelley from a friend, Shelley wrote him a letter inviting him to join him at his residence at Pisa. Keats replied with hopes of seeing him, but instead, arrangements were made for Keats to travel to Rome with the artist Joseph Severn. Inspired by the death of Keats, in 1821 Shelley wrote the elegy "Adonais". In 1821 Shelley met Edward Ellerker Williams, a British naval officer, and his wife Jane Williams. Shelley developed a very strong affection towards Jane and addressed a number of poems to her. In the poems addressed to Jane, such as "With a Guitar, To Jane" and
Prometheus Unbound (Shelley) until his death on 8 July 1822. After his death, Timothy Shelley, his father, refused to allow Mary Shelley to publish any of Shelley's poems, which kept any immediate corrected editions of the play from being printed. Although reluctant to help the Parisian publishers A. and W. Galignani with an edition of Shelley's works, she eventually sent an "Errata" in January 1829. The Galignanis relied on most of her punctuation changes, but only a few of her spelling changes. The next critical edition was not released until 1839, when Mary Shelley produced her own edition of Shelley's work for Edward