1. Stevens, Halsey. "Images für Flöte, Oboe, Violine und Violoncello by Isang Yun; Riul, Klarinette und Klavier by Isang Yun" Music Library Association. Second Series, Vol. 27, No. 2 (Dec., 1970), p. 346) <http://www.jstor.org/stable/896952>
2.Kim, Sinae. Isang Yun and the Hauptton Technique: An Analytical Study of the Second Movement. Diss. University of Ottawa, 2012. Printed.
3. Babcock, David. "Korean Composers in Profile" Cambridge University Press. Tempo, New Series, No. 192 (Apr., 1995), pp. 15-21. <http://www.jstor.org/stable/946001>
2.Kim, Sinae. Isang Yun and the Hauptton Technique: An Analytical Study of the Second Movement. Diss. University of Ottawa, 2012. Printed.
3. Babcock, David. "Korean Composers in Profile" Cambridge University Press. Tempo, New Series, No. 192 (Apr., 1995), pp. 15-21. <http://www.jstor.org/stable/946001>