Translation from Theodore Albrecht (1996) Letters to Beethoven and Other Correspondence: 1824–1828. University of Nebraska Press, p. 194. Esterházy wrote in French, saying, La Messe de Beethoven est insuportablement ridicule et détestable, je ne suis pas convaincu qu’elle puisse même paroitre honêtement: j’en suis coleré et honteux.; original cited in Herttrich 2010, p. iv Herttrich, Ernst (March 2010). "Foreword". Ludwig van Beethoven, Mass in C major(PDF). Carus-Verlag. pp. VI–VII. Retrieved 16 June 2015.
Stoltzfus 1982, p. 29 n.. Stoltzfus, Fred (November 1982). "Beethoven's 'Mass in C' / Notes on History, Structure, and Performance Practice". The Choral Journal. 23 (3): 26–30. JSTOR23545801.
Stoltzfus 1982, p. 26. Stoltzfus, Fred (November 1982). "Beethoven's 'Mass in C' / Notes on History, Structure, and Performance Practice". The Choral Journal. 23 (3): 26–30. JSTOR23545801.
Stoltzfus 1982, p. 23. Stoltzfus, Fred (November 1982). "Beethoven's 'Mass in C' / Notes on History, Structure, and Performance Practice". The Choral Journal. 23 (3): 26–30. JSTOR23545801.
