ハラール・セーヴェルー
Contemporary Norwegian orchestral and chamber music : supplement I, September 1972 by The Society of Norwegian Composers Oslo: [1972]
Gösta Morin, Carl-Allan Moberg, Einar Sundström: Sohlmans musiklexikon - 2. rev. och utvidgade uppl., Stockholm: Sohlman Förlag, 1975-1979, 5 v.
Stewart Gordon: A History of Keyboard Literature. Music for the Piano and its Forerunners, New York: Schirmer Books, 1996, 566 p., ISBN 978-0-534-25197-0
Brian Morton, Pamela Collins: Contemporary composers, Chicago: St. James Press, 1992, 1019 p., ISBN 1-55862-085-0
David M. Cummings, Dennis K.