http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
book I. Shakespear's story in the Sonnets.--book II. Prospero's story of his life.--book III. Sequel to the Sonnets.
"Chapters I.-III. are reprinted with alterations and additions, from two articles in Blackwood's magazine, May and June 1901."