Information on an eponymously named festival in his hometown and biographical and musical details from the Uusikaupunki (Finland) Cultural Office.

Comments on his clarinet music and his place of origin and Swedish background from the Classical Composers Database.

Recommended clarinet works and portrait from the Classical Net Basic Repertoire List.

Miscellaneous songs listed at recmusic.org, including some with Swedish texts.

Biography showing him as clarinettist, composer, and translator of operas into Swedish from the Grove Concise Dictionary of Music entry at WQXR radio.