Cappelli's Dictionary of Abbreviations (Latin) 

Materiali a supporto dello studio della paleografia latina (by A. Cartelli e M. Palma)

Newberry Library: pages on Italian Paleography

Chicago University Library - list of resources

Graduate Palaeography Group at UPenn

Archivio di Stato di Perugia - Online review of scripts

Petrarch Open Book Project (MS Queriniano D II 21)

Medici Archive Project Database

Iter Italicum

BL Digitised Manuscripts

BL Manuscripts Catalogue

BL Illuminated Manuscripts Catalogue

Biblioteca Medicea Laurenziana - Digitised Manuscripts

Biblioteca Apostolica Vaticana - Digitised Manuscripts

Biblioteca Malatestiana - Digitised Manuscripts and Manuscript Catalogue

Estense Digital Library - Digitised Manuscripts

Bilblioteca Apostolica Vaticana - Thematic pathways on the web, "The Library of a humanist prince"

Biblioteca Apostolica Vaticana - Thematic pathways on the web, "Viaggiare con Dante"