Regina caeli - 1a pars (of 2): Regina caeli laetare alleluia

Bibliography

Geering, Arnold (ed.) 1935. Das Erbe Deutscher Musik.  Leipzig, Kassel, Wolfenbüttel, and Wiesbaden. pp. (81), 59-63.

Lerner, Edward R (ed.) 1961-70. Alexandrí Agricola: Opera Omnia. Corpus mensurabilis musicae.  Neuhausen nr. Stuttgart: American Institute of Musicology. pp. (4), 7-10.