| dbp:reference
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- Walsh, Michael J. . 2001. Dictionary of Christian Biography. Collegeville, MN: Liturgical Press. (en)
- Blackburn, Bonnie. 2001. "Aaron [Aron], Pietro [Piero]". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers. (en)
- Bergquist, Ed Peter, Jr. 1964. "The Theoretical Writings of Pietro Aaron". PhD diss. New York: Columbia University. (en)
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