Modernised orthography, while the original wording is found in Philipp Wackernagel: Das deutsche Kirchenlied von der ältesten Zeit bis zu Anfang des 17. Jahrhunderts. Vol. III. Teubner, 1870, No. 135 (p. 98)
Leaver 2014, pp. 15–33 Leaver, Robin A. (2014). "Letter Codes Relating to Pitch and Key for Chorale Melodies and Bach's Contributions to the Schemelli "Gesangbuch"". Bach. 45 (1): 15–33. doi:10.1353/bach.2014.a808494. JSTOR43489888.
Leaver 2014, pp. 15–33 Leaver, Robin A. (2014). "Letter Codes Relating to Pitch and Key for Chorale Melodies and Bach's Contributions to the Schemelli "Gesangbuch"". Bach. 45 (1): 15–33. doi:10.1353/bach.2014.a808494. JSTOR43489888.