Chaucer died on October 25, 1400.  This is “The works of our ancient, learned, & excellent English poet, Jeffrey Chaucer: as they have lately been compar’d with the best manuscripts; and several things added, never before in print. To which is adjoyn’d, The story of the siege of Thebes, by John Lidgate…Together with The life of Chaucer…Also a table, wherein the old and obscure words in Chaucer are explained.” 1687. See it in the catalog.