Quatuor principalia musicae
Contributors: Bodleian Library.
Published: 1400
Language: lat
Number of pages: 63
Subjects: Music -- Theory -- Medieval; Manuscripts, Latin -- Facsimiles
Notes: Title supplied from Frere, W.H.  Bibliotheca musico-liturgica.

Microfilm of MS. Digby 90 in the Bodleian Library, Oxford. Oxford, Oxford University Press, 1971? 1 reel.