|
|
 |
|
 |
|
Kyrieanonymous SourcesLondon: British Library, Additional 29987, fol. 81v (1/1).FacsimilesThe Manuscript London, British Museum Add. 29987, facsimile edition by Gilbert Reaney, [n.p.]: American Institute of Musicology, 1965. Musicological Studies and Documents 13. |
 |
|
|
|
|
|
|
|
|
