O admirabile commercium - 1a pars (of 3): O admirabile commercium creator generis - Verbum caro factum est

Bibliography

Lindenburg, Cornells W H (ed.) 1956. Johannis Regis: Opera Omnia. Corpus mensurabilis musicae.  Neuhausen nr. Stuttgart: American Institute of Musicology. pp. (2), 49-60.