Propter gravamen - 2a pars (of 2): Et subvenii in hora ultima

Bibliography

Finscher, Ludwig (ed.) 1958-. Loyset Compere: Opera Omnia. Corpus mensurabilis musicae.  Neuhausen nr. Stuttgart: American Institute of Musicology. pp. (4), 45-48.

Drake, George Warren James. 1972. The first printed book of motets, Petrucci's Motteti A numero trentatre (Venice 1502) and Motetti de Passione De cruce De sacramento De beata virgine et huius modi B (Venice 1503): A critical study and complete edition. Ph.D. Dissertation, University of Illinois. pp. (2), 26-32.