Descendi in ortum meum ut viderem

Bibliography

Lewis, Anthony (ed.) 1951-. Musica Britannica: A National Collection of Music.  London. pp. 212-214.

Hamm, Charles E (ed.) 1969-. Leonel Power: Complete Works. Corpus mensurabilis musicae.  Neuhausen nr. Stuttgart: American Institute of Musicology. pp. 21-23.

Cobin, Marian W. 1978. The Aosta Manuscript: A Central Source of Early Fifteenth-Century Sacred Polyphony. Unpublished Ph.D. dissertation, New York University. pp. (2), 55-56.