Avshalomov 1959, p. 51 Note: Profile by David Campbell. Avshalomov, Jacob (1959). Music Is Where You Make It: A Panoramic View of the Portland Junior Symphony. Portland, Oregon: The Portland Junior Symphony Association. LCCML200.8.P82 J8. Note: Profile for Jacob Avshalomov (pp. 49–52) by David Campbell.
Avshalomov 1959, p. 49 Note: Profile by David Campbell. Avshalomov, Jacob (1959). Music Is Where You Make It: A Panoramic View of the Portland Junior Symphony. Portland, Oregon: The Portland Junior Symphony Association. LCCML200.8.P82 J8. Note: Profile for Jacob Avshalomov (pp. 49–52) by David Campbell.
Avshalomov 1959, p. 47 Avshalomov, Jacob (1959). Music Is Where You Make It: A Panoramic View of the Portland Junior Symphony. Portland, Oregon: The Portland Junior Symphony Association. LCCML200.8.P82 J8. Note: Profile for Jacob Avshalomov (pp. 49–52) by David Campbell.
Stabler, David (December 20, 1998). "The sounds of Oregon: 10 good — and serious — CDs from '98". The Oregonian. Portland, Oregon: Advance Publications. ISSN8750-1317.