Donald Jay Grout, Hermine Weigel Williams: A short history of opera, 4th Edition, Columbia University Press, 2003. 1030 p., ISBN 978-0-231-11958-0
John David White, Jean Christensen: New music of the Nordic countries, Pendragon Press, 2002. 605 p., ISBN 978-1-576-47019-0
Ruth-Esther Hillila, Barbara Blanchard Hong: Historical dictionary of the music and musicians of Finland, Greenwood Publishing Group, 1997. 473 p., ISBN 978-0-313-27728-3
Timo Makinen, Seppo Nummi: Musica fennica : an outline of music in Finland, Helsingissa: Kustannusosakeyhtio, 1985, 191 p.
Catalogue of Finnish orchestral works and vocal works with orchestra, Helsinki: Teosto, [1961], 123 p.
Catalogue, opera omnia by Dirk Meijer, Hämeenlinna, Leeuwarden [2009-2010]