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McDonagh, Don. “City Ballet Dances Balanchine Works.” The New York Times, January 10, 1968, 51.

“Anne Ayer Presents Rarely Heard Songs.” The New York Times, April 7, 1967, 30.

Ericson, Raymond. “Music: The Philharmonic’s 125th Year: Mahler and Ives Works Inaugurate Season.” The New York Times, October 6, 1967, 30.

“Bernstein Offers Young People at Philharmonic a Taste of Ives.” The New York Times, January 22, 1967, 58.

Hughes, Allen. “Suddenly, A Flurry of Ives.” The New York Times. March 10, 1968, D15.

Croche, Florstan. “New Records Connecticut Yankee's ‘Sonata’.” The Sun, August 6, 1967, D10.

Kriegsman, Alan M. “A.U.’s Mandel to Unveil Ives Piano Works.” The Washington Post and Times Herald, March 17, 1968, G8.

Riley, Robert. “Singers on Stage at Wilshire Ebell.” Los Angeles Times, April 17, 1967, D30.

Willis, Thomas. “Records: Virtuosity in Music’s Service: Horowitz, Lipatti, Masselos.” Chicago Tribune, April 16, 1967, E11.