FJELDSØE, Michael; HOLGERSEN, Sven-Erik. Frede V. Nielsen 10. maj 1942 – 21. marts 2013. Danish Yearbook of Musicology, [S. l.], v. 40, 2016. Disponível em: https://tidsskrift.dk/dym/article/view/165941. Acesso em: 24 feb. 2026.