交響曲第2番 (ベルワルド)
↑ Anonymous, preface to Sinfonie Capricieuse. Melville, New York: Belwin Mills (1980): [i] in Swedish, [ii] in English
↑ Nils Castegren, preface to Sinfonie capricieuse. Kassel: Bärenreiter (1989): iv in German, v in English, vi in Swedish.