Fink, Lea. “Identitäts(Er)Findung Der Amerikanischen Musikgeschichte: Charles Ives.” In Identität - Alterität - Musik, Vol. 4, edited by Annegret Huber et al., 83-98. Vienna, Austria: Hollitzer Verlag, 2011.

Johnson, Russell I. “A View of Twentieth- Century Expression.” Journal of Aesthet-ics and Art Criticism 28 (Spring 1970): 361-368.

Wooldridge, David. “Charles Ives and the American National Character: ‘Musical Spirit of ’76.’” In South Florida's Historic Ives Festival 1974-1976, edited by F. Warren O’Reilly, 27--29. Coral Gables, FL: University of Miami at Coral Gables, 1976.

Morgan, Robert P. “Charles Ives und die europäische Tradition.” In Bericht über das Internationale Symposion "Charles Ives und die amerikanische Musiktradition bis zur Gegenwart," Köln 1988, edited by Klaus Wolfgang Niemöller, Manuel Gervink, and Paul Terse, 17--36. Kölner Beiträge zur Musikforschung, 164. Regensburg, Germany: Gustav Bosse, 1990.

Kirkpatrick, John. “Notes.” In Charles E. Ives, Study No. 20 for Piano, edited by John Kirkpatrick, 12--18. Bryn Mawr, PA: Merion Music, 1981.

Kirkpatrick, John. “Editor’s Notes.” In Charles E. Ives, Study No. 21: Some South--Paw Pitching!, edited by John Kirkpatrick, 7-12. Bryn Mawr, PA: Mercury Music, 1975.

Kirkpatrick, John. “Editor's Note.” In Charles E. Ives, Turn Ye, Turn Ye, edited by John Kirkpatrick, 2-4. Bryn Mawr, PA: Mercury Music, 1973.

Kirkpatrick, John. “Critical Commentary.” In Charles E. Ives, Trio for Violin, Violoncello, and Piano, edited by John Kirkpatrick. New York, NY: Peer International, 1984.

Kirkpatrick, John. “Critical Commentary.” In Charles Ives, Study No. 23 for Piano, edited by John Kirkpatrick, 11--13. Bryn Mawr, PA: Merion Music, 1990.

Kirkpatrick, John. “Comparison of Sources.” In Charles E. Ives, The Pond, 8. Hillsdale, NY: Boelke--Bomart, 1973.