http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v.I. Queen Mab. Alaston; or, The spirit of solitude. The revolt of Islam. -- v.II. Prometheus unbound. The Cenci. Hellas. -- v.III. Early poems. Poems written from 1816 to 1820. -- v.IV. Poems written from 1820 to 1822. Translations.
Wise, Ashley Catalogue, volume 5, page 105.