Virtual encyclopedia of the Decamerone, plus the Corbaccio and the Elegia di Madonna Fiammetta, that includes the text in its established critical edition (Branca), sources, translations, annotations, commentaries, and bibliographies.
The authors are mostly contemporaneous but it is also possible to find authors from the XIX century. Voice recordings of the poems are now being added to the site (look for the megaphone icon next to a poet's name). It is a quite good starting point for research on dialectal culture (check the resources links and the bibliography). [Also check La poesia in dialetto, Hatcher Graduate 850.8 P74259 vv. 1-3 for a pretty comprehensive collection of poetry works in dialect from the XIII century to the present. Indexed by author, period and region].
The following types of works will be included: anthologies, articles and essays, autobiographies, biographies, children's literature, devotional works, dialogues, diaries, dramas, epics, hagiographies, histories and chronicles, interviews and conversations, letters, memoirs, novels, operas, poems, reviews, short stories and travel literature.