^Frederick Key Smith Nordic Art Music: From the Middle Ages to the Third Millennium 2002 Page 6 ". death, the position of deputy Kapellmeister, to which he had been appointed in 1618, was filled by Hans Nielsen"
^Denis Arnold The New Oxford companion to music Volume 2 1983 "such as Hans Nielsen (f.1580–r.1626) and Mogens Pederson (ff.1583–1623), produced some fine modern madrigals, .