Ericson, Raymond. “What Will Babe the Barber Say?” The New York Times. June 8, 1969, sec. 2: 19.

Salzman, Eric. “The Revolution in Music.” New American Review 6 (Spring 1969): 76-96.

Corcoran, Gary. “Still More on Ives.” In Letters to the Editor. Instrumentalist 23/10 (May 1969): 18.

Geiger, Loren. “More on Ives.” In Letters to the Editor. Instrumentalist 23/10 (May 1969): 18.

James M. Burk. “Charles Ives’ ‘Variations on “America”’ for Band.” In Letters to the Editor. Instrumentalist 23/10 (May 1969): 18.

Calvert Bean, Jr. “Re: Variations on ‘America.’” Instru-mentalist 24/2 (September 1969): 14.

“Letters to the Editor.” Instrumentalist 23/10 (May 1969): 18.

Ericson, Raymond. “Retrospective Cowell Program Honors the Music Experimenter.” The New York Times (March 20, 1969): 55.

Christiansen, Larry A. “Charles E. Ives and the Sixty--Seventh Psalm.” Music/AGO-RCCO Magazine 3/2 (February 1969): 20-21.

“College of Insurance Gets Copy of First Ives Concert Program.” Dan-bury News--Times. January 7, 1969: 13.