London, British Library, Add. MS 34294: Sforza Hours (Hours of Bona of Savoy)
See the record in the digital repository of the British Library.
http://www.bl.uk/manuscripts/Viewer.aspx?ref=add_ms_34294
Milano, Biblioteca Ambrosiana A257 inf.: Liber missarum totius anni secundum morem ambrosianae ecclesiae
See the record in the OPAC of Biblioteca Ambrosiana as well as the information provided by Manus OnLine.
Originally from the Certosa of Pavia.
See the description in Manus OnLine.
Milano, Biblioteca Capitolare, MS 2D-4-11
Antiphonarium ambrosianum
Missale Romanum. Milan: Zarotto, 1474
Missale RomanumSee record in the Incunabula Short Title Catalogue.
