First published : Berlin : N. Simrock. ; Vocal score with piano. ; Text in German, English and French. ; "English version by Mrs. John P. Morgan ... the only translation authorized by the composer".
Bohm, Carl, 1844 - 1920, “Still as the night = Still wie dei Nacht : song / Carl Bohm,” Monash Collections Online, accessed December 3, 2023, https://repository.monash.edu/items/show/80369.