M. Kokole, “‘Sequamini o socii’ or the Merry Musical Company from Carniola and Styria: The First Book of Five-and Six-Part Madrigals by Filippo de Duc (1586)”, MusAn, vol. 43, no. 1, pp. 67–90, Dec. 2007, doi: 10.4312/mz.43.1.67-90.